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Encyclopedia results for Pencil sharpener

  1. Pencil sharpener

    Image Wooden pencil sharpener.jpg thumbnail right A manual prism sharpener File Sharpener made from Cellulose Acetate Biograde.JPG thumb 175px Prism pencil sharpener made from cellulose acetate biograde, a bioplastic A pencil sharpener also referred to as a parer or topper in Ireland is a device for sharpening ... cite web url http www.officemuseum.com sharpener small.htm title Handheld Pencil Sharpeners accessdate ... man s pencil sharpener museum at sacbee.com ref Mechanical sharpeners Prism sharpeners File Taille crayon m canique h.jpg thumb left A hand cranked prism sharpener A mechanical pencil sharpener ... firmly. It has no moving parts the tip of the pencil is inserted into the hole of the sharpener ... planetary sharpener with spring driven pencil holder. The small handle behind the crank is the sharpness regulator. The blade inside the sharpener shaves the wood of the pencil, thus sharpening the tip ... Pencil Sharpener.JPG thumb An electric pencil sharpener. The mechanism is similar to the planetary sharpener, except there is a motor instead of a crank. Cylindrical cutters Image Pencil sharpener ... crank . Typically, the pencil is inserted into the sharpener with one hand and the crank turned ... one burr cylinder. The casing of the sharpener is the repository for the pencil shavings it needs to be emptied ... Image PencilSharpenerBatteryOp.jpg thumbnail Battery operated sharpener. Electric pencil sharpeners ... electric sharpener gallery.htm title Electric Pencil Sharpeners accessdate 9 July 2011 ref Some electric ... title razor knife ref Specialized pencil sharpeners File Sharpener.jpg thumb left Prism sharpener with two holes Image Flat pencil sharpener.jpg thumb Carpenter s flat pencil sharpener Specialized ... in front of it that has several holes of different sizes. An artist s or draftsman s pencil sharpener ... to become lopsided and dull. Specialized versions of pencil sharpener, known as graphite pointers, may ... 2011 DEFAULTSORT Pencil Sharpener Category Office equipment Category Pencils Category Sharpening ...   more details



  1. Sharpener

    wiktionary Sharpener an implement for sharpening , may refer to Pencil sharpener Knife sharpening Honing steel , also known as a sharpening rod Sharpening jig , used to sharpen woodworking tools disambig Category Sharpening ...   more details



  1. Carpenter pencil

    NOTOC File Zimmermannsbleistift 02.jpg thumb Oval carpenter pencil. File Flat pencil sharpener.jpg thumb Carpenter s flat pencil sharpener . File Crayon de charpentier 2.jpg thumb Used carpenter pencil. A carpenter pencil carpentry pencil , carpenter s pencil is a pencil that has a body with a rectangular or elliptical cross section to stop it rolling away. ref cite web url http www.pencilrevolution.com category history title Pencil Revolution publisher Pencil Revolution date 1971 06 07 accessdate 2010 03 29 ref Carpenter pencils are easier to grip than a standard pencil, because they have a larger surface area. The non round core allows thick or thin lines to be drawn by rotating the pencil. Thin lines are required for high precision markings and are easy to erase, but thick markings are needed to mark on rough surfaces. ref name pencilpages.com cite web url http www.pencilpages.com articles carpentr.htm title Carpenter s Pencils publisher Pencilpages.com date accessdate 2010 03 29 ref The lead is strong to withstand the stress of marking on such surfaces. ref name pencilpages.com The pencil is robust to survive in a construction environment, for example when placed in a bag together with heavy tools. The core is often stronger than in other pencils. Carpenter pencils are also used ... And Letters Made With A Carpenter s Pencil.html title Lines And Letters Made With A Carpenter s Pencil publisher Chestofbooks.com date accessdate 2010 03 29 ref The flat pencil is one of the oldest .... A pencil that is designed for a child rather than a carpenter would have a softer core, enabling ... to draw with a carpenter pencil than with an ordinary pen. ref name as References reflist External links Wikipedia Books Pencils http www.pencilrevolution.com category history Pencil Revolution phttp www.pencilpages.com articles carpentr.htm Carpenter s Pencil, by Doug Martin Woodworking DEFAULTSORT Carpenter Pencil Category Pencils Category Woodworking hand tools Category Woodworking Category ...   more details



  1. Grease pencil

    Unreferenced date December 2009 Image Grease pencil.jpg thumb 240px right Two grease pencils. The grease pencil , a wax writing tool also known as a wax pencil , china marker , or chinagraph pencil in the United Kingdom , is made of hardened colored wax and is useful for marking on hard, glossy non porous surfaces such as porcelain , glass , polished stone , plastic , ceramic s and other ceramic glaze glazed , lacquered or polished surfaces, as well as the glossy paper that is used for photographic printing particularly for contact print contact sheets , x rays, and for marking edits on Magnetic tape analog audio tape . It is also used to label theatrical Color gel lighting gels . It is often used as a construction or handyman s marking tool as it rarely scratches the surface it is used on. It may be used to mark a wet surface. They are also favored among some traditional artists. Due to its ability to write on glass, it is often used in chemistry labs to mark glassware. This pencil is available in several forms. The outer casing may be made of wood like an ordinary pencil and sharpened with a knife or pencil sharpener . Other types are covered in paper and sharpened by pulling a string to peel off the paper, needing no additional tools to remain functional. More recently, it has been produced in propelling form, essentially similar to a clutch pencil but with a different lead. This pencil is usually made from non toxic opaque wax similar to a crayon but stronger. Marks made by grease pencils are resistant to moisture and can usually be removed by rubbing the marked surface with a paper towel . Grease pencils can be found in many different colors. Wikipedia Books Pencils DEFAULTSORT Grease Pencil Category Art materials Category Pencils Category Tools Category Writing implements zh yue ...   more details



  1. Yahoo! Sharpener Award

    The Yahoo Sharpener award is an annual student award hosted by the online search engine Yahoo which aims to promote creative paths into the advertising industry. It sits as almost a junior level to the advertising accolade The Yahoo Big Idea Chair . The competition, backed by Campaign Magazine , is regarded as part of Yahoo s ongoing efforts to raise awareness of online advertising as a highly creative medium and to celebrate the best of the next generation of creatives. The Award was set up in 2005 and a request for entries was announced in November. The award in 2006 aimed to challenge final year university design students to develop an integrated campaign for Yahoo Music Unlimited Yahoo s music download product. Entries were reviewed by an influential jury including Mark Roalfe RKCY and Guy Philipson IAB . They short listed nine finalists, followed by a second round of judging to reveal agree third place, second place and the overall Sharpener Award winner who was with a 3 month paid placement at 4 London agencies TBWA , Tequila , Agency.com and MBA . 2006 Winners First Place Alexander Brown director Alexander Brown Goldsmiths, University of London Second Place Julieanna Cheng and Yasin Osman Buckinghamshire New University Buckinghamshire Chilterns University College Third Place Laxmi Patel and Katy Riches University of Hertfordshire Similar Awards D&AD Student Awards GRT Awards Category Student awards Category Yahoo Sharpener Award ...   more details



  1. Mechanical pencil

    Image Mechanical pencil.jpg frame right A ratchet type mechanical pencil A mechanical pencil U.S. English or a propelling pencil UK English ref http www.macmillandictionary.com dictionary american mechanical pencil mechanical pencil definition. American English definition of mechanical pencil by Macmillan ... dictionary british pro pelling pencil propelling pencil . Cambridge Dictionary on line ref ref Other names include automatic pencil , drafting pencil , technical pencil , click pencil , clutch pencil , leadholder , pen pencil , and pacer or spacer . ref is a pencil with a replaceable and mechanically ... pencils are often designed and used to provide lines of constant thickness without requiring pencil sharpener sharpening , making them well suited to applications like technical drawing and fine point ..., ref cite web url http www.artisticrealism.com artstudio category pencil drawing tutorials title Artistic Realism Art Studio Graphite pencil, charcoal and pastels fine art by David and Faith Te, works in progress, and updates to www.artisticrealism.com Archive for the Pencil Drawing Tutorials ... for and is in Love with the Girl Who Disappeared , mechanical pencil drawing by Daniel C. Boyer accessdate 2011 05 27 ref History Image Sampson Mordan 1822 pencil holders patent.png thumb left Detail of the first patent for a mechanical pencil. The earliest extant example of a mechanical pencil ... for a refillable pencil with lead propelling mechanism was issued to Sampson Mordan and John Isaac ... to mechanical pencils. The first spring device spring loaded mechanical pencil was patented in 1877 ... and 0.2 versions are now produced. Image Pentel pencil lead.png thumb 90px right Pencil lead for a modern mechanical pencil. The mechanical pencil became successful in Japan with some improvements ... as the Ever Ready Sharp Pencil . Success was not immediate, since the metal shaft essential for the pencil s long life was unfamiliar to users. The Ever Sharp began selling in huge numbers, however ...   more details



  1. Blue pencil

    wiktionary blue pencil Blue pencil may refer to Blue pencil editing , a pencil traditionally used by an editor or sub editor to show corrections to written copy Blue pencil doctrine , a legal concept in common law countries disambig ...   more details



  1. Pencil (disambiguation)

    wiktionarypar pencil A pencil is a handheld instrument used to write and draw, usually on paper. Pencil may also refer to Pencil beam , a beam of radiant energy in the form of a narrow cone or cylinder Pencil mathematics , a family of geometric objects Pencil software , an open source 2D animation software See also Pencil detonator Pencil skirt disambig tr Kalem anlam ayr m ...   more details



  1. Pencil test

    Pencil test may refer to Pencil test, a British version of drawing straws Pencil test animation , an early version of an animated scene Pencil test breasts , an informal test to determine if one needs to wear a bra. Pencil Test film Pencil Test film , a 1988 animated short by Apple Inc. Pencil test South Africa , a racial identity test employed during apartheid. Blue pencil doctrine or blue pencil test , a legal concept Nordenfelt v Maxim, Nordenfelt Guns and Ammunition Co Ltd , the case which defined the blue pencil test method fr Test du crayon disambig ...   more details



  1. Pencil flick

    Unreferenced date September 2009 Notability date September 2009 Pencil flick is a move used in some game s that involves pressing a pencil or pen onto a sheet of papyrus or paper until it gives way and flicks across the surface. The resulting line then affects the gameplay in some way. Race game paper and pencil game Race Game is an example of a game using the pencil flick. It is also used in military based games whereby the pencil flick represents gunfire movement. The flick action can be incorporated into many types of game. The pencil can be pressed with either the palm or fingertip. Skilled players can control the pencils movement for a short time before it flicks away. Category Paper and pencil games DEFAULTSORT Pencil Flick game stub ...   more details



  1. Pencil (software)

    notability date September 2011 primary sources date September 2011 infobox software name Pencil developer Pascal Naidon latest release version 0.4.4beta 2008 4 4 latest release date programming language C operating system Macintosh Mac , Microsoft Windows Windows , Linux , FreeBSD BSD genre Animation software Animation license GNU General Public License website http www.pencil animation.org There are two software products named Pencil , that are not related to each other. This article is about the graphical animation software. A 2D computer graphics 2D graphical animation software that runs on Macintosh Mac , Microsoft Windows Windows , Linux and FreeBSD BSD . It has also been ported to the Pandora console Pandora handheld. http pandorawiki.org Pencil . A GNU free wireframe tool available both as a Firefox plugin and a standalone application http pencil.evolus.vn en US Home.aspx . Pencil uses a unique bitmap vector graphics vector drawing interface to produce simple 2D graphics as well as animation . Pencil is written in C and is Qt toolkit Qt based. The application license is GNU General Public License . It started as a simple pencil test program by Patrick Corrieri, extended to the current Pencil application mainly by Pascal Naidon. External links http www.pencil animation.org Pencil website Animation editors Category Free 2D animation software Free software stub it Pencil ru Pencil sv Pencil ...   more details



  1. Pencil (mathematics)

    about a class of geometric objects other uses Pencil disambiguation File Apollonian circles.svg thumb The Apollonian circles , two orthogonal pencils of circles. A pencil in projective geometry is a family of geometric objects with a common property, for example the set of lines that pass through a given point in a projective plane . More generally, a pencil is the special case of a linear system of divisors in which the parameter space is a projective line . Typical pencils of curves in the projective plane , for example, are written as C C 0 where C 0, C 0 are plane curves. A pencil of planes , the family of planes through a given straight line, is sometimes referred to as a fan . ref cite web url http www.rism.com Trig perspective.htm title Perspective work Elementary Geometry Trigonometry author Romuald Ireneus Scibor Marchocki ref See also Pencil beam Pencil of circles Lefschetz pencil Matrix pencil References references General references MathWorld title Pencil urlname Pencil Category Algebraic geometry Category Projective geometry geometry stub fr Faisceau ja ...   more details



  1. Pencil suit

    Pencil Suit is a variety of Salwar kameez which has become a recent fashion trend. This basically follows the principles of a Pencil skirt and cleverly merges it with the traditional Salwar kameez. While Salwars are loosely fitted pants, Pencil suits have tightly fitted pants that follow the contours of the lady s leg. It differs from the Churidar only in the lack of the ruches or the churis near the ankle. The Kameez is of thigh length and has a side seam left open below the waist line. This attire is often marched with a dupatta of matching or contrasting color. As most of the designer suits, Pencil suit is also embellished with pretty beads, mirror work, zardozi or zari work. Simple and plain variants of the suit are also available for daily wear. Description The pencil trousers pants are held up by a drawstring at the waist . The pants are fitted tightly against the contours of the lady ... employ traditional cuts, cross cuts are used to stitch a Pencil suit. This version of Salwar Kameez accentuates the curves of the female wearing it. The Kameez of the pencil suit is stitched as that of a regular ... , boat line, high necks or mandarin neckline. It is customary to wear a dupatta along with a Pencil .... Pencil suit and Bollywood Though the Pencil Suit was designed first by leading designers of the fashion ... lead protagonists of Bollywood, Pencil Suits became hot favourite. Apart from being worn in movies, the actresses opted for Pencil suits to be worn at public functions and events too. This further accelerated the adaption of Pencil suits into the wardrobe of college and office going ladies. Difference between Pencil Suit and Churidar To a point Pencil Suit can be called variant of Churidar. But Pencil ... the churis or bangles they form as they end near the ankle. Pencil suit lacks any type of churi or any ... to the lady wearing it. There is no extra cloth provision in Pencil suit, but for the ease of the wearer ... Dupatta Pencil skirt Categories Clothing Category Indian clothing Category Suits clothing Category ...   more details



  1. Wiring pencil

    Unreferenced stub auto yes date December 2009 Image WiringPencils.png thumb Two wiring pencils Image WiringPencilBoard.png thumb Electronics board made with a wiring pencil A wiring pencil often sold under the trade names of road runner and verowire is a tool for making electrical connections. A small reel of copper wire coated with a special insulating varnish is mounted on the end of the tool. The wire runs down a thin tube in the center of the wiring pencil and the wiring pencil can be used to quickly and tightly wrap it onto connections and take it across the circuit board . Then the connections are solder ed the heat of the molten solder burns the varnish away and completes the joint. A well ventilated area and or fume extraction are very important when carrying out this process due to the toxic fumes. Sometimes, where there are many wires, plastic comb like structures are used for wire management. See also Commons category Wiring pencil Wire wrap DEFAULTSORT Wiring Pencil Category Electronics work tools Category Wire Electronics stub de F deltechnik ...   more details



  1. Pencil Project

    notability Products date January 2012 primary sources date January 2012 infobox software name Pencil Project developer Evolus Co., Ltd latest release version 1.3.2 6 11 2011 programming language Javascript , XUL and SVG operating system Macintosh Mac , Microsoft Windows Windows , Linux type Wireframing & Prototyping Software license GPL website http pencil.evolus.vn Pencil Project is an opensource Website wireframe and prototyping software from Evolus Co. Licensing and Versions Pencil Project is Free Software and is released under the GPL version 2. It is available for all platforms that Firefox 3 can run. The first version of Pencil is tested against GNU Linux 2.6 Fedora, Ubuntu and Arch with GTK , Windows XP and Windows Vista 7. Also See Concept map Diagrams Flowchart Website wireframe External links http pencil.evolus.vn Pencil Project http code.google.com p evoluspencil Pencil Project Source Code Repository Category Diagramming software Category Technical communication tools ...   more details



  1. Pencil skirt

    for the song Pencil Skirt by Pulp Different Class Image PencilSkirt LaceupBoots WideBelt.jpg right 200px thumb A modern pencil skirt A pencil skirt is a slim fitting skirt with a straight, narrow cut. Generally the hem falls to, or just below, the knee and is tailored for a close fit. It is named for its shape long and slim like a pencil . ref cite news first Robin last Givhan work The Washington Post title Fall Fashions url http www.washingtonpost.com wp dyn articles A64300 2003Aug15.html date August 18, 2003 ref ref cite web publisher Kohl s Corporation title Glossary of Fabric & Fashion Terms url http www.kohlscorporation.com ecom valueadded glossary.htm P accessdate February 3, 2010 ref Style The pencil skirt is usually worn either as a separate piece of clothing or as part of a suit clothing suit . The slim, narrow shape of a pencil skirt can restrict the movement of the wearer so pencil ... less skin, is used instead of a slit. The classic shoes for wearing with a pencil skirt are high ... the pencil skirt look url http www.smh.com.au lifestyle fashion drafting the pencil skirt look ... matches well, recalling the classic pencil skirt era of the 1950s. ref name pj3 cite news first Pam ... September 28, 2003 ref Pencil skirts can also be worn with flats for a more casual, youthful vibe that echoes the 1960s. Pencil skirts and loafers are classic Prep. History Narrow fitting skirts have a long history in western fashion. The predecessor to the pencil skirt is the hobble skirt , a pre WWI .... The French designer Christian Dior introduced the classic modern pencil skirt in the late 1940s, ref name smh1 ref cite news first Florence last Sun work News Guangdong title Sharpen up with pencil ... Look in his A line . The pencil skirt quickly became very popular, particularly for office wear. This success ... P accessdate February 3, 2010 ref Wearing The pencil skirt feels different from looser skirts, and can ... bicycles can be very difficult in a pencil skirt. The pencil skirt is warmer due to the reduced ...   more details



  1. Pencil Box

    about the television series the storage of pencils pencil case Pencil Box was a child ren s television programme Broadcasting broadcast by CBC Television from 1976 to 1979. The programme comprised stories written by Ottawa students, mostly aged 8 to 12, and incorporated various story telling devices, such as mime artist mime , puppet s, mask s, and animation . Colour separation overlay was used to place live actor s in front of cutout sets. Recurring characters in the show were Bolo Bat Stubby Pencil Miffy Skunk Clara Cactus The show won an ACTRA Award for Best Children s Television Show . References CBC Series Dir 33361 Pencil Box Pac External links http www.imdb.com title tt0156225 Pencil Box at the Internet Movie Database Category Canadian children s television series Category CBC network shows Category 1976 Canadian television series debuts Canada tv prog stub child tv prog stub ...   more details



  1. Pencil Fight

    unreferenced date May 2009 Infobox Single Name Pencil Fight Cover atomship pencil fight.png Artist Atomship from Album The Crash of 47 Released 2004 Format Recorded 2004 Genre Progressive Rock Length 3 36 Label Wind Up Records Last single This single Pencil Fight br 2004 Next single Pencil Fight was the first and only single by Atomship released in 2004 from their first and only album The Crash of 47 . It was written by original singer Derek Pardoe. A video for the song was recorded in late 2004, just before the disbanding of Atomship, while the song had decent airplay on rock radio across the country. The video can be viewed http www.youtube.com watch?v fUGHEBCQ VE here . It was also on NASCAR 2005 Chase for the Cup. Track listing Pencil Fight 3 36 Chart positions class wikitable Chart Position align left valign top Billboard Mainstream Rock Tracks align left valign top 38 Atomship Category 2004 singles Category Atomship songs ...   more details



  1. Hesse pencil

    In mathematics, the syzygetic pencil or Hesse pencil , named for Otto Hesse , is the pencil math lambda x 3 y 3 z 3 mu xyz 0 math of plane elliptic curves passing through the 9 points with projective coordinates that are 0, 1, and a cube root of unity. These 9 points are the points of inflection of the cubics. Any line through two of these 9 points passes through three of them the 9 points and 12 lines through triples of them form the Hesse configuration . References Citation last1 Artebani first1 Michela last2 Dolgachev first2 Igor title The Hesse pencil of plane cubic curves url http arxiv.org abs math 0611590 id MR 2583779 year 2009 journal L Enseignement Math matique. Revue Internationale. 2e S rie issn 0013 8584 volume 55 issue 3 pages 235 273 Citation last1 Grove first1 Charles Clayton title The syzygetic pencil of cubics with a new geometrical development of its Hesse Group url http archive.org details syzygeticpencilo00grovrich publisher Baltimore, Md. year 1906 Category Elliptic curves ...   more details



  1. Pencil milling

    Orphan date October 2010 Image Pencil2.png thumb 300px Pencil toolpath diagram Image Pencil3.png thumb 300px Pencil milling diagram Pencil milling is a cleanup toolpath generated by computer aided manufacturing CAM programs to machine internal corners and fillets with smaller radius tools to remove the remaining material that are inaccessible with larger tools used for previous roughing, semi finishing, and finishing toolpaths. The name comes from the way that a pencil could naturally be drawn along these corners. It s sometimes called a rolling ball toolpath. Often a constant step over passes are derived from single pencil pass to create parallel pencil passes that are very good for cleaining up corners and fillets where excess material remains from a bigger cutter. Generating pencil toolpaths There are several alternative algorithms for generating pencil passes. ref http www.cnccookbook.com CCCAMToolpaths.htm ref The method most commonly published in the academic literature involves creating tool surface offsets of the model surfaces and intersecting them to find the common line where the cutter would be in contact with two surfaces at once. An example of this implementation uses the ZMap method described by Park, et al. ref citation author Park JW, Chung YC, Kim BH, Choi BK title Pencil curve tracing via virtual digitizing. Mach Impossible Shapes year 1999 pages 279 92 publisher Kluwer Academic Publishers ref The industrial method, used in commercial CAM software, differs substantially and works by detecting double contact points and linking them up into a chain to form a toolpath. Citation needed date February 2007 A double contact point is a pair of cutter locations displaced by a tiny distance horizontally, but with a large difference in height or sudden change in contact point. These positions can be located very precisely by binary subdivision, where a cutter location created between a pair of close cutter locations will almost always be continuous with one or other ...   more details



  1. Broken Pencil

    Broken Pencil is a Canada Canadian magazine , which profiles zine culture and independent arts and music. The magazine publishes four times annually and is based in Toronto . The magazine was founded in 1995 by Hal Niedzviecki ref cite web url http www.huffingtonpost.ca hal niedzviecki magazines canada b 867569.html title Three of Canada s Best Cultural Magazines Celebrate Milestone Moments author Hal Niedzviecki date May 29, 2011 work The Huffington Post Huffpost Canada publisher The Huffington Post accessdate June 23, 2011 ref . Its current editor is Lindsay Gibb ref cite web url http www.brokenpencil.com about contact.php title Broken Pencil Contacting Us publisher Broken Pencil accessdate June 23, 2011 ref . In 2009, Broken Pencil published a collection of short stories entitled Can tLit Fearless Fiction from Broken Pencil Magazine featuring Canadian independent writers with ECW Press ref cite news title Book Review Can tLit Fearless Fiction from Broken Pencil Magazine author Richard Rosenbaum url http www.quillandquire.com reviews review.cfm?review id 6658 newspaper Quill & Quire date October 2009 accessdate 23 June 2011 ref . References Reflist External links http www.brokenpencil.com Official website Category Alternate magazines Category Canadian literary magazines Category Canadian cultural magazines Category Magazines published in Toronto Canada lit mag stub ...   more details



  1. Pencil (optics)

    File Pencil 1675.png right thumb In 1675, a pencil was interpreted as a double cone of rays, as from an object point, through a lens, to an image point. Image Pencil beam 2.png right thumb A pencil beam radar In optics , a pencil or pencil of rays is a geometric construct used to describe a Light beam beam or portion of a beam of electromagnetic radiation or charged subatomic particle particle s, typically in the form of a narrow Cone geometry cone or Cylinder geometry cylinder . Antennas which strongly bundle in azimuth and elevation are often described as pencil beam antennas. For example a phased array antenna can send out a beam that is extremely thin. Such antennas are used for tracking radar. In optics , the focus optics focusing action of a lens optics lens is often described in terms of pencils of ray optics ray s. In addition to conical and cylindrical pencils, optics deals with Astigmatism astigmatic pencils as well. ref cite book title The Elements of Physics A College Text book author Edward L, Nichols and William S. Franklin publisher Macmillan Co year 1903 isbn page 77 url http books.google.com books?id WK0IAAAAIAAJ&pg PA77&dq pencil of rays lens astigmatic pencil&lr &as brr 1&as pt ALLTYPES&ei wVh Saa6OZacyATy5oWrDg ref In electron optics , scanning electron microscopes use narrow pencil beams to achieve a deep depth of field . ref cite journal journal New Scientist title The art of seeing the very small author Nick Johnson volume 98 issue 1358 page 472 date 19 May 1983 url http books.google.com books?id z0Z3DxacC9IC&pg PA472&dq electrons 22pencil beam 22 sem&hl ... delivered through the use of pencil beam scanning. ref cite book title The Physics of Radiation Therapy ... page 521 522 url http books.google.com books?id pWDQnxd r1UC&pg PA521 ref See also Pencil mathematics .... Fan beam Pencil beam scanning Medical physics References reflist Category Geometrical optics Category Antennas radio Category Radiation oncology optics stub de Pencil Beam ...   more details



  1. I, Pencil

    File Pencils hb.jpg thumb right 225px HB graphite pencils . wikisource I, Pencil is an essay by Leonard Read . The full title is I, Pencil My Family Tree as Told to Leonard E. Read and it was first published in the December 1958 issue of The Freeman . It was reprinted in The Freeman in May 1996 and as a pamphlet entitled I... Pencil in May 1998. In the reprint, Milton Friedman wrote the introduction and Donald J. Boudreaux wrote the afterword. Friedman the 1976 winner of the Nobel Prize in economics used the essay in his 1980 PBS television show Free to Choose and the accompanying book of the same name. In the 2008 50th Anniversary Edition, the introduction is written by Lawrence W. Reed and Friedman wrote the afterword. I, Pencil is written in the first person from the point of view of a pencil. The pencil details the complexity of its own creation, listing its components cedar wood cedar , lacquer , graphite , ferrule , factice , pumice , wax , glue and the numerous people involved, down to the sweeper in the factory and the lighthouse keeper guiding the shipment into port. quote No Master Mind There is a fact still more astounding The absence of a master mind, of anyone dictating or forcibly directing these countless actions which bring me into being. No trace of such a person can be found. Instead, we find the Invisible Hand at work. ... Since only God can make a tree, I insist that only God could make me. Man can no more direct these millions of know hows to bring me into being .... I, Pencil , 2008 edition External links s I, Pencil I, Pencil , as originally published http fee.org library books i pencil 2 I, Pencil , 50th Anniversary Edition http fee.org media audiobooks i pencil 4 I, Pencil Audiobook provided by the Foundation for Economic Education http www.youtube.com watch?v d6vjrzUplWU Excerpt of Free to Choose video referencing I, Pencil , as told by Milton ... referencing I, Pencil , as told by Matt Ridley http www.fee.org pdf the freeman mackenzie1002.pdf I ...   more details



  1. Pencil Rocket

    The Pencil Rocket was developed for the Japanese space agency. A prominent engineer on the project was Hideo Itokawa . The rocket was launched in 1955. The dimensions were 23cm in length by 1.8cm in diameter, weighing 200 grams. Spacecraft stub Bibliography http www.jaxa.jp article interview sp1 index e.html Story of the Pencil Rocket as told by the Japanese Space Agency JAXA Category Japanese space program ja ...   more details



  1. Pencil Pine

    Pencil Pine may refer to Athrotaxis cupressoides Native to Tasmania, Australia Cupressus sempervirens Mediterranean Cypress, native to the eastern Mediterranean region and widely planted as ornamentals in gardens disambig Long comment to avoid being listed on short pages ...   more details




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