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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), 1833-1928 · New York : T. Audel & Co. · leaf 396

An illustration from 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, leaf 396
mbustion furnaces,and other laboratory furnaces where the more extreme temperaturesare to be met. Nickel.—Due to its high temperature coefficient nickel is veryefficient for use in resistance thermometers and owing to its non-corrosivequalities it may be employed for rheostats where acid fumes are… … Coi Iok

Electrical engineering

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More pictures from 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

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