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 142
The third ^^^re 131. Q. E. Controller and Connec=tions with Training Mechanism. 100 HANDBOOK FOR ELECTRICIANS. is used in order to get full voltage at motor terminals. Its cross sectionwill vary with the length of the circuit, but the total resistance must not measuremore than .05 ohm. The negative… … the connection board inside the base of the projector and those of the controllerreceptacle. The contacts are numbered both on the connection board and on thereceptacle, and should be connected accordingly. The controller receptacleshould be placed within a radius of 20 feet of the controller. The…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
