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 88
through theinstrument case, may be rotated slightly about a heavy shaft whoseaxis is in line with the axis of the pointer shaft h. The scale withits support being stationary, this device permits of correction for abent pointer, or adjustment to zero on the scale without interferingwith the… … Diagram of Hot-wireInstrument 73 64 ALTERNATING-CURRENT MACHINERY of a stationary permanent magnet. Hot-wire voltmeters are speciallysuited for measuring low electromotive forces up to about 75 volts.The switchboard hot-wire ammeters, reading from 25 up to 1,000amperes, have separate shunts to…
Electrical engineering
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