Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 885
is unequaled for delicacy and accuracy. For nearly all practical engineering work, the DArsonval gal- TESTING. 863 vanometer is sensitive enough, and has the advantage of being muchmore convenient for general work. In this the needle is a coilinstead of a permanent magnet, and is suspended within… … FIG. C30.—DARSONVAL GALVANOMETER. field of the permanent magnet, a rotation of the coil ensues, the actionbeing identical with that which causes the armature of an electricmotor to revolve. In Fig. 630 is shown a much-used form of DArsonval galvano-meter made by Queen & Co., Philadelphia. The…
Telephone
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
