Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 362
a-tory instrument arranged with a transparent scale. The galvanometer isonly 5 inches in diameter, and has a transparent scale graduated in 50parts, central zero, with zero shifting device. This instrument is made froma specially designed Weston movement, possessing all of the character- 340… … FlG. 421. — Weston Projecting Instruments. throw double-pole switch is usually arranged so that the galvanometerterminals come to the middle of the switch ; the switch when thrownin one direction indicates volts, and when thrown in the other directionindicates amperes. For speed measurements a…
Electricity · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
