Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 30
hten the springs equally; note that thespirals do not touch each other. To run slow, loosenthem, but seldom more than an inch. 5. To make sure that the tensions on both springs remain equal, count theturns made by the nuts in tightening, or listen to the sounds of the springs whenstruck after… … c A = general direction ofc d ^ eccentric arm. L-rank and eccentric rod. \ i- 22. Wheel Governors Auto-matic Control of SteamValve.
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.