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 27
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… … 12. Lead. Fig. 13 .shows admission of steam to lu-ad end of cylinder ])efore the end of astroke, m order to torm a cushion.
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
