Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 99
en, twenty, thirty and forty thousand ohms; Ayrton Univer-sal Shunt; galvanometer short circuit key, battery make circuit key anddischarge key ; and terminals for attachment to cable under test. Severalsuch terminals are provided so that changes may be made from one cableto another by mere change… … Fig. 85A. W4570. All the parts of the set possess the highest insulation, all metals andconductors being mounted upon hard rubber; the galvanometer, variouscoils, etc:, are dust and moisture proof. With 100 volts battery, ten scale divisions are obtainable through 5000megohms resistance. The…
Electric apparatus and appliances · Equipment and supplies
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