Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 126
f battery can be used,by means of connecting cord provided. With exception of W5007-W5009each battery is equipped with a current reverser. The E. M. F. is about1 volt per cell. W5000. 100 Cell84 60 50 40 33 34 16 12 6 renewing Capacity; weight aboul without currentand restoring cells whe : 151^ lbs… … Fig. 97. W5000, etc. 123 INDUCTION COILS AND X-RAY MACHINES. Prior to the advent of the X-Eay an Induction Coil was, in general, avery inefficient and badly constructed piece of apparatus. Used, as itwas, only occasionally for physical demonstration or spectroscopic workalmost anything would answer…
Electric apparatus and appliances · Equipment and supplies
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
