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Eberhard Faber Van Dyke 702 Copy Pencils

60.00
sold out
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Eberhard Faber Van Dyke 702 Copy Pencils

60.00
sold out

Lovely cylindrical copy pencils finished in a sunflower yellow lacquer. 10 left of a box of 12. 

A copying pencil looks and writes just as a regular graphite pencil does. The difference between them lies in the fact that the graphite of the copying pencil contains an aniline dye. This dye reacts in contact with water; one would moisten a piece of tissue paper and press it against the original, and the tissue paper would then receive a mirror image of what was written with the copy pencil. This could then be read correctly by reading the other side of the translucent paper.

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Lovely cylindrical copy pencils finished in a sunflower yellow lacquer. 10 left of a box of 12. 

A copying pencil looks and writes just as a regular graphite pencil does. The difference between them lies in the fact that the graphite of the copying pencil contains an aniline dye. This dye reacts in contact with water; one would moisten a piece of tissue paper and press it against the original, and the tissue paper would then receive a mirror image of what was written with the copy pencil. This could then be read correctly by reading the other side of the translucent paper.