Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 55
was legalized for use in the United States by act of Congressin 1894. The International ohm in graphically defined in fig. 548.The previous values given to the ohm which were more or lessgenerally accepted are as foUows: 471 HAWKINS ELECTRICITY The Siemens Ohm.—A resistance due to a column of… … Fig. 548.—The international ohm. It is defined as the resistance of 14.452 grammes of mercuryin the form of a column of uniform cross section 106.3 centimeters in length, at a temper-ature of 0°C. This is approximately equivalent to a column 106.3 cm. long, having auniform cross section of 1 sq.…
Electrical engineering
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