tive to mechanical, almostindifferent to electric, and completely indifferent to mag-netic disturbances. Furthermore, it is practically deadbeat. It is inevitable that the capillary electrometer will beoverpolarised by accident when in operation, and thenthe one last described has a great advantage… … 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,…
Electronics · Electricity
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