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 97
a hair spring, passes through thecoil, and to this staff are fixed a pointer b and a vane of thin softsheet iron a. This vane of iron is mounted obliquely to the staff.Wlien the pointer is at the zero point of the scale, the iron vane alies nearly across the axis of the coil; and when a current… … Fig. 76. Thom.son Inclined-CoilAmmeter Fig. 77. Working Parti of ThomsonInclined-Coil Ammeter tends to turn into a position which makes the reluctance of themagnetic circuit a minimum. Fig. 76 is a general view of a Thomson inclined-coil ammeter,and Fig. 77 is a view of the working parts of the…
Electrical engineering
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