Telegraphy and how to learn it; with brief chapters on elementary science, embracing various kinds of electricity, electrical measurements, thermo-frictional electricty, batteries, magnets and magnetism (1901)
Frederic, Wilson. [from old catalog] · Chicago, The Henneberry co · leaf 56
cle. Partly closethe third and fourth fingers. Allow thewrist to be perfectly limber. Rest the armon the table at or near the elbow. Let the grasp upon the key be firm, but FRICTIONAL ELECTRICITY. 53 not rigid. Never allow the fingers or thumbto leave the key, nor the elbow to leave thetable. Avoid… … wrist, although the finger and hand must beperfectly elastic. The fingers, wrist and arm should moveuniformly in the same direction. The downward movement produces thedots and dashes, and the upward, the breaksand spaces. Commence the use of the key by makingdots in succession at the rate of two…
Telegraph
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
