pen-arms

Updated: May 1, 2025

A small tube conveys ink from a reservoir along one of the pen-arms, and into a glass tube upright at the junction of the arms. This tube is the pen. Now, let us imagine the pencil of the writer pushed straight upward from the apex of the V-shaped figure the cords and pencil-point make on the writing desk. In the latter, in ordinary use, the stick and string; rotate the spool.

James W. Steele - Steam, Steel and Electricity