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 139
128a. Parts of Projector and Controller. 1. Parts of projector and controller are as follows: liiiiiil stiir wIutI for sltiw vcrtioil moveiiient.wlioiI for tliiiiwiiiK out split nut usod forconiuct-iuK or (iisioiiMccting the drum from the basemechanism. wheel for slow horizontal movement,hanii star…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
