Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 197
flr„/y« an JBox Cabh »r l/ti»»»«m ttftiitann * xi … Fig. 163 —Thomson Mirror-Reflecting Galvanometer with Lamp, Stand, ^ScaJe and Connections of Apparatus for Measuring the Insulation Resistance of an Electric Cable. with leveling screws, and can be rotated on its vertical axis. Thecurved controlling magnet, arranged on the vertical tube, can…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
