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 26
10. Sight Lubricator toCylinder. iJ, reservoir, oil shown in upper … i 1. Laps. (1) Admission of steam begins Avhen ^ is at a going to the right. (2) Cut off of steam begins when ^4 is at a going to the left. (3) Release of steam begins when B is at b, going to the left. (4) Compression of steam begins when B is at b, going to the right. These four events similarly…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
