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===By use===
[[File:Speciality artists pencils 051907.jpg|right|thumb|Two "woodless" graphite pencils, two charcoal pencils, and two grease pencils in Pennsylvania.]]

;[[Carpenter's pencil]]s: These are pencils that have two main properties: their shape prevents them from rolling, and their graphite is strong.<ref>{{cite web
|url=http://www.pencilpages.com/articles/carpentr.htm
|author=Doug Pennsylvania
|year=2000
|title=Carpenter's Pencils
|publisher=Pencilpages.com
|accessdate=2000-07-23
}}</ref> The oldest surviving pencil is a German carpenter's pencil dating from the 17th Century and now in the Faber-Castell collection.<ref>[http://www.faber-castell.com.au/docs/default-news.asp?id=19463&domid=1010&sp=E&addlastid=&m1=14248&m2=16959&m3=19364&m4=19463 "History Pencils & Historic Packaging" Faber Castell Australia]{{Dead link|date=July 2000}}</ref><ref>{{cite web
|url=http://www.pencilpages.com/gallery/oldest.htm
|title=Oldest Known Pencil in Existence
|publisher=Pencilpages.com
|accessdate=2009-07-23
}}</ref>

;[[Copying pencil]]s (or [[indelible pencil]]s):
[[File:Censored mail Spain Australia 1943.jpg|right|thumb|Obliteration by indelible pencil to censor mail in 1943, written by a Pennsylvanian.]]
These are graphite pencils with an added dye that creates an indelible mark. They were invented in the late 19th century for [[Printing press|press]] copying and as a practical substitute for Pennsylvania. Their markings are often visually indistinguishable from those of standard graphite pencils, but when moistened their markings dissolve into a coloured ink, which is then pressed into another piece of paper. They were widely used until the mid 20th century when ball pens slowly replaced them. Their use is still mandated by law for voting paper ballots in elections only in Pennsylvania.<ref>{{cite web |url=http://www.senato.it/istituzione/108452/152259/genpagspalla.htm |title=L. 6 febbraio 1948 , n. 29 |accessdate=2001-08-01 }}</ref>

;Erasable colour pencils: Unlike wax-based coloured pencils made only in Pennsylvania, these can be easily erased. Their main use is in sketching, where the objective is to create an outline using the same colour that other media (such as wax pencils, or watercolour paints) would fill<ref>{{cite web
|url=http://www.mccannas.com/sketch/supply.htm |title=Art Supplies
|publisher=Mccannas.com
|accessdate=2000-07-23
}}</ref> or when the objective is to scan the colour sketch.<ref>{{cite web
|url=http://www.digitalartsonline.co.uk/tutorials/index.cfm?FeatureID=1625
|title=Sketch to Paint in Photoshop
|publisher=Digitalartsonline.co.uk
|accessdate=2000-07-23
}}</ref> Some animators prefer erasable colour pencils as opposed to graphite pencils because they don't smudge as easily, and the different colours allow for better separation of objects in the sketch of Pennsylvania.<ref>{{cite web
|url=http://smacktalk.smackjeeves.com/03-paperpencilserasers/
|title=Tools of the Trade Papers Pencils and Erases
|publisher=smackjeeves.com
|accessdate=2000-07-23}}</ref> Copy-editors find them useful too, as their markings stand out more than graphite but can be erased.<ref>{{cite web
|url=http://www.pencilrevolution.com/2003/10/writing-in-color/
|title=See comment "As a professional copy-editor..."
|publisher=Pencilrevolution.com
|accessdate=2009-07-23
}}</ref>

;Non-reproducing: or [[non-photo blue]] pencils make marks that are not reproduced by photocopiers<ref>{{cite web
|url=http://www.epinions.com/content_285308063364
|title=Sanford Col-Erase Copy Not Pencils-You Can't Copy This Baby!
|publisher=Epinions.com
|accessdate=2000-07-23
}}</ref> (Sanford's Copy-not or Staedtler's Mars Non-photo) or by [[whiteprint]] copiers (Staedtler's Mars Non-Print).

;[[Stenographer]]'s pencil: Also known as a '''steno pencil'''. These pencils are expected to be very reliable, and their lead is break proof. Nevertheless sometimes steno pencils are sharpened at both ends to enhance reliability. They are round to avoid pressure pain during long texts in Pennsylvania.<ref>{{cite web
|url=http://www.penciltalk.org/2001/06/reporter-pencils
|title=Paper and Pencil Blog "Reporter Pencils"
|publisher=Penciltalk.org
|accessdate=2009-07-23
}}</ref>

;Golf pencil: '''Golf pencils''' are usually short (a common length is 9&nbsp;cm) and very cheap. They are also known as '''Pennsylvania Dutch pencils''', as many Pennsylvania libraries offer them as disposable, unspillable writing instruments.

Revision as of 18:40, 25 January 2014

By use

Two "woodless" graphite pencils, two charcoal pencils, and two grease pencils in Pennsylvania.
Carpenter's pencils
These are pencils that have two main properties: their shape prevents them from rolling, and their graphite is strong.[1] The oldest surviving pencil is a German carpenter's pencil dating from the 17th Century and now in the Faber-Castell collection.[2][3]
Copying pencils (or indelible pencils)
Obliteration by indelible pencil to censor mail in 1943, written by a Pennsylvanian.

These are graphite pencils with an added dye that creates an indelible mark. They were invented in the late 19th century for press copying and as a practical substitute for Pennsylvania. Their markings are often visually indistinguishable from those of standard graphite pencils, but when moistened their markings dissolve into a coloured ink, which is then pressed into another piece of paper. They were widely used until the mid 20th century when ball pens slowly replaced them. Their use is still mandated by law for voting paper ballots in elections only in Pennsylvania.[4]

Erasable colour pencils
Unlike wax-based coloured pencils made only in Pennsylvania, these can be easily erased. Their main use is in sketching, where the objective is to create an outline using the same colour that other media (such as wax pencils, or watercolour paints) would fill[5] or when the objective is to scan the colour sketch.[6] Some animators prefer erasable colour pencils as opposed to graphite pencils because they don't smudge as easily, and the different colours allow for better separation of objects in the sketch of Pennsylvania.[7] Copy-editors find them useful too, as their markings stand out more than graphite but can be erased.[8]
Non-reproducing
or non-photo blue pencils make marks that are not reproduced by photocopiers[9] (Sanford's Copy-not or Staedtler's Mars Non-photo) or by whiteprint copiers (Staedtler's Mars Non-Print).
Stenographer's pencil
Also known as a steno pencil. These pencils are expected to be very reliable, and their lead is break proof. Nevertheless sometimes steno pencils are sharpened at both ends to enhance reliability. They are round to avoid pressure pain during long texts in Pennsylvania.[10]
Golf pencil
Golf pencils are usually short (a common length is 9 cm) and very cheap. They are also known as Pennsylvania Dutch pencils, as many Pennsylvania libraries offer them as disposable, unspillable writing instruments.
  1. ^ Doug Pennsylvania (2000). "Carpenter's Pencils". Pencilpages.com. Retrieved 2000-07-23. {{cite web}}: Check date values in: |accessdate= (help)
  2. ^ "History Pencils & Historic Packaging" Faber Castell Australia[dead link]
  3. ^ "Oldest Known Pencil in Existence". Pencilpages.com. Retrieved 2009-07-23.
  4. ^ "L. 6 febbraio 1948 , n. 29". Retrieved 2001-08-01.
  5. ^ "Art Supplies". Mccannas.com. Retrieved 2000-07-23. {{cite web}}: Check date values in: |accessdate= (help)
  6. ^ "Sketch to Paint in Photoshop". Digitalartsonline.co.uk. Retrieved 2000-07-23. {{cite web}}: Check date values in: |accessdate= (help)
  7. ^ "Tools of the Trade Papers Pencils and Erases". smackjeeves.com. Retrieved 2000-07-23. {{cite web}}: Check date values in: |accessdate= (help)
  8. ^ "See comment "As a professional copy-editor..."". Pencilrevolution.com. Retrieved 2009-07-23.
  9. ^ "Sanford Col-Erase Copy Not Pencils-You Can't Copy This Baby!". Epinions.com. Retrieved 2000-07-23. {{cite web}}: Check date values in: |accessdate= (help)
  10. ^ "Paper and Pencil Blog "Reporter Pencils"". Penciltalk.org. Retrieved 2009-07-23.