Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1344
must have 99 times less resistancethan the coil, and the current will then divide at the term-inals, 99/100 going through the strip and 1/100 goingthrough the coil, which will give a reading to the full range Electro Meters 1309 of the scale as before. By the arrangement of the polepieces, and… … Fig. 612magnet and shunt of weston ammeter vary in strength, the instrument would not read correctly,but the magnets are so treated that the falling off in strengthover a number of years is inappreciable. The strip or shunt for portable instruments is alwaysinside the case, while for switchboard…