Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 44
d protected from amalgamation with the mer-cury by a surface of unbuffed nickel plate. The base is of hard rubber,thus furnishing a rigid substructure as well as the highest insulation.The bridge wire, which is of platinoid, is shielded from radiation of thebody and convection currents by a strip… … Fig. 32. W4340. With this apparatus is supplied one shunt for the bridge wire andthree auxiliary coils of 1, 10 and 100 ohms, without extra charge. {Cut is old and does not show recent improvements. Detailed blueprint sent on application.) ,, ♦These articles contain a most exhaustive treatment of…
Electric apparatus and appliances · Equipment and supplies
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