Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 646
Fig. 41. Dials showing SampleReadings. Fig. 42. Difficult Meter Readings. THE SCHEEFER WATT-METER. 633 THE iCHEErfER watt-hleter. This meter, made by the Diamond Meter Co., Peoria, 111., is another ofthe induction type, used for alternating currents, and has some specialfeatures. The two following… … Fig. 43. Round Pattern, Type D. Scheeffer Watt-Meter Closed. Fig. 44. Round Pattern, Type D.Scheeffer Watt-meter Open. A very ingenious device is used for sensitive adjustment, and the follow-ing cut and description taken from the Companys catalogue is sufficientlyclear to indicate its use.
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-418-260.webp)
