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 137
rom the carbons while burning. 7r/ The fe?d screws may be oiled when necessary with a small amount ofJxl clock oTl but care should be taken to carefully wipe them after oi ing asot l«-wi>^rsm a^ of carbon dust may adhere and cut the thread. The ■Vrb m c-iiTia-es and parts carrying current should… … 127. O. E. Search Light. The springs A take current from leads to the contact rings of the pedestal,the nath of the current being showni in tig. 128. ^ , . The car .ms are secured in clamps B on supports C the supports being mova-ble - des of the frame and controlled by screw-bars/> and i^. The…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
