Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1119
andnear the top is the voltmeter, while on the three left panelsare the dynamo main switches and their respective amme-ters. On the lower part of these three machine panels willbe noticed the protruding hand wheels of the field resist-ance boxes, which are hidden back of the board. The meter 1084… … Fig. 465 Fig. 466 shows diagrammatically the reverse side of asimilar switchboard. Below all of the switches there areinstalled fuses in each wire. The object of these fuses isto protect the wires and also the dynamos. These fusesconsist of an alloy which^ melts at a comparatively lowtemperature.…
