Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 31
Fig. 16. W4163. W4163. Pocket Detector Galvanometer $4 00 Handsomely finished in hard rubber mounting. A hard rubber capshps over the instrument and completcsly encloses it when not in use.Makes a very convenient pocket voltmeter for storage battery testing.Kesistance, about ^ olim.
Electric apparatus and appliances · Equipment and supplies
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
