Induction coils : how to make, use, and repair them including Ruhmkorff, Tesla, and medical coils, Roentgen radiography, wireless telegraphy, and practical information on primary and secondary battery (1901)
Schneider, Norman H. (Norman Hugh) · New York : Spon & Chamberlain ; London : E. & F.N. Spon · leaf 302
HARRISON BROS. & CO., Incorporated. ^ i PHILADELPHIA. CHICAGO. NEW YORK. ^ f J. H. LEHMAN, i A Manager of Electrical Department, 102 Times Building, New York. A … JHE MESCO Mesco Dry Battery OVILR 1,000,000SOLD ANNUALLY Can be purchased in all citiesand most towns in the UnitedStates of Electric Supply dealers.Price low as worthless dry batter-ies. We are the largest manufac-turers of general electric suppliesin this country. Catalogue issuedyearly.…
Induction coils · Radiography · X-rays
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