Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 238
e bottlepass two wnes, insulated with gutta-percha or seal-ing wax, terminating in platinum strips, which areintroduced a little way into the tube. The tube islilled with water slightly acidulated A\ith sulphuricacid, and its orifice is immersed in the same kindof Uquid, which partly fills the… … § 174. Galvanometer. — The instrument in most commonuse for measuring current strength is tlie magnetic needle, which,besides its ordinary use as a galvanoscojie, performs the stillmore important office of a galvanometer. The simple magneticneedle, used as already described, answers tolerably well…
Physics
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