The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 33
ndicate thestrength of current. The bar is drav,m into the coil to different ex-tents proportional to the attraction. As an example see Ammeter^Ayrton^s^ and cut of Gravity Am,meter. Ammeter, Spring, An ammeter in which the part moved bythe current is controlled or brought to the zero position by a… … Fig. 12. Steel Yard Ammeter. noid coil and attracts or draws downwards the coil. A slidingweight is moved in and out on the long steel-yard arm which isgraduated for amperes. In use the weight is slid out until thearm is in equipose ; the divisions give the amperes. STANDARD EIvECTRICAL DICTIONARY.…
Electricity
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