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 85
t ;,. 79. Present Generator Panel Apparatus in Detail. THE SWITCHBOARD. 59 … 5B 11 t.lU -•IIIIIH T>-r^H u Si> TPDT—o TPDTI o Ai 5B ?.9 t.Ui Ihlllh 80. Engineer Battery Panel. 60 HANDBOOK FOR ELECTRICIANS. like it, in rear, but drawn on the left in order to be seen. When a current passesthrough the coil, it revolves on its pivots on the same principle as the armatmeof…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
