Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 280
the cellsused with the bridge, so that no specific rule can be givenbeyond the varying of the ratios, as in • • 252 and 253. 255. Commercial Wheatstone Bridge.—The student*bridge, illustrated in Fig. 232, is a laboratory form for teach-ing the principles involved. A portable commercial bridgeis… … battery to the right-hand pair of posts. In many portable bridges the battery is also contained within the case. Re Bistance is inserted in the arm< by removing the plug-, as shown in detail in Fig. 235. A general plan of the portable bridge and its connections is depicted in Fig. 234. The…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
