Ball Pen, G

INTRODUCTION  Writing

implements manual devices used to make alphanumeric marks on or in a surface.  The writing tool is usually controlled by movement of the fingers,hand,wrist and arm of the writer

The

ball pen ink was waterproof and almost unersable,the pen could write on many kinds of surfaces and could be held in almost any position for writing and the pressure required to feed the ink was ideal for making carbon copies. Ink formulas were improved for smoother flow and faster drying