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About the Visual
communications and office automation
The first true writing instruments were made by the Sumerians in Mesopotamia nearly 5,000 years ago.
See writing instruments in :
Instrument invented at the beginning of the 20th century; the writing tip holds a small rotating ball.
Tip that contains the ball bearing used to deposit ink from the cartridge onto the writing surface.
Curved metal bar that attaches the ballpoint pen to a pocket.
Button controlling the mechanism that advances and retracts the cartridge.
Small metal ball in the point of the pen; when turned, it deposits ink from the cartridge onto the writing surface.
Black or colored liquid used for writing.
Cartridge that is inserted into the body of a ballpoint pen to refill the ink.
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