[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 325
urning this set-screw a fineadjustment of the telescope in azimuth is secured.A set-screw in the upper ring allows the telescopeto be adjusted in altitude. The instruments areplaced on the market by Queen & Co.,Philadelphia. RECENT APPLICATIONS. 323 Horizontal Galvanometer, for measuring… … HORIZONTAL GALVANOMETER. of wire. As an electric current passes through thecoil, the needle is deflected out of the plane of thecoil over a scale, and indicating by the amount ofits deflection the intensity of the current. Cardew Voltmeter— This instrument differsfrom the greater number of…
Electricity
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