Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 373
£ LOW VOLTflQEM 0 TOR. qENERrt TOR … Fig. 59. Elementary Low-Voltage Arc Welding Equipment Single-unit machines such as rotary converters, dynamotors, etc., arealso used but are not so desirable where accurate regulation is neces-sary, as for thin sheet-metal work, etc. For w^ork with the graphiteelectrode they are suitable and a…
Electrical engineering
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