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 90
and alloys) Fair conductors, Partial conductors. Charcoal and coke Carbon Plumbago Acid solutions Sea water Saline solutions Metallic ores Living vegetable substances Moist earth. Water The body Flame Linen Cotton Mahogany Pine Rosewood Lignum Vitae Teak Marble. Dry woods 70 HAWKINS ELECTRICITY… … -s~.^-.-.=~m*m
Electrical engineering
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