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Practical electrics : a universal handy-book on everyday electrical matters, including connections, alarms, batteries, bells, carbons, induction, intensity- and resistance-coils, dynamo-electric machines, fire risks, measuring, microphones, motors, phonographs, photophones, storage, and telephones
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Catalogue of telegraph instruments and supplies : Morse telegraph instruments, voltaic batteries, insulated wires, line wire and tools, insulators, cables, office supplies, permanent magnets, induction coils, american district telegraph apparatus, electric bells, &c., &c
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