A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 904
ctor is of platinum-silver and is inclosed in a brass case.The ends of the wire are soldered to stout brass terminals whichare well amalgamated at the ends; when in use they resl inmercury cups. This makes certain that the resistance of thecontacts is very small. A hole running down the axis is… … FIG. 814.—Standard ohm coil. 880 MAGNETISM AND ELECTRICITY CHAP.
Physics
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