copying pencil

Suddenly he stopped at one spot and taking out a copying pencil he drew a circle around that spot.

A copying pencil, also indelible pencil, is pencil whose lead contains a dye.

Pump up the engagement pedal until the adjuster nut A, which should be marked with copying pencil, stops taking up.

Consequently, the copying pencil was being used as an indelible pencil, a precursor to the ball-point pen.

For writing an address on cloth, a moistened copying pencil was preferred to a pen, whose nib could easily get caught in the weave.

During their heyday, copying pencils were also associated, across the world, with the image of a railway conductor, who famously carried one tucked behind an ear.

Copying pencils saw extended use in World War I in the completion of a wide range of paperwork.

The copying pencil served as a convenient substitute for the fountain-pen: it could be carried on one's person without need for ink or fear of leaks.

The cores of copying pencils, which appear to have been introduced in the 1870s, were made from a mixture of graphite, clay, and aniline dye.

Copying pencils (or indelible pencils)

Some documents that were to be copied with copying presses were written with copying pencils rather than copying ink.

Copying pencils were introduced in the 1870s, and were originally marketed for copying documents, especially for making permanent copies of a permanent original.

This was achieved by creating a hand written document using a copying pencil, laying a moist tissue paper over the document and pressing down with a mechanical press.

Since the aniline dye was poisonous to humans, many injuries and illness related to copying pencils were reported in the medical literature, especially in the late-19th- and early-20th centuries.

Furthermore, for producing copies using carbon paper, copying pencils were considered superior to both ordinary pencils (whose writing in the original could be erased) and fountain-pens (whose nibs could not always withstand the pressure needed to produce the carbon-copy).

For the other method shown her by DELIDAISE, SERGUEIEW was to take what looked like an indelible copying pencil and with it scribble on a sheet of paper so that one side of it was completely covered.