The telegraph in American and Morse memorial (1886)
Reid, James D · New York, Printed for the author by J. Polhemus · leaf 77
x at/ from the center of the top of the frame, directlyabove the center of the cylinder B in the trough below.This lever was made of two thin rules of wood meeting atthe top, /, but opening downward about one inch apart,and joined at the bottom by a transverse bar (which wasclose to the paper as it… … i- Diagram 4. t Mr. Morses History of his Invention. 55 small weight upon its top to keep the point in constant contactwith the paper ribbon. Upon the lever directly opposite to the polesof the electro-magnet was fastened the armature of the magnet, or Type. [V] m gd rsn T^^^-^ Example of…
Morse, Samuel Finley Breese, 1791-1872 · Telegraph
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