Fig. 52. it is merely necessary to compress the pinch-cock till adrop of mercury falls from the capillary into the bottomof T when the instrument is in its original condition. ! INSTRUMENTS. 109 45. Electrostatic Voltmeters,—Any non-zero electrom-eter may be calibrated to read directly in volts,… … Fig. 53. electrostatic voltmeter. As may be clearly seen it con-sists of a vertically arranged quadrant electrometer withone pair of quadrants deleted and used idiostatically. In-stead of a mirror it has a pointer playing over a scalegraduated directly in volts. These instruments may be 110 STATIC…
Electronics · Electricity
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