James G. Biddle Company · Philadelphia : James G. Biddle · leaf 15
Cottage State Hospital, Phillipsburg, Pa. 15 Roentgen Coil with self-starting mechanical interrupter ; operatedby motor-generator from 500 v. direct current. Dr. Homer E. Smith, Norwich, N. Y. 15 Roentgen Coil with self-starting mechanical interrupter ; operatedby storage batteries. University of… … Roentgen Jumbo Coil, with primary of variable inductance, mountedon handsome open cabinet. Self-starting mechanical and electrolytic interrupt-ers are provided (the latter not shown), as well as Weston Ammeter, WestonVoltmeter, controlling rheostat for no volts, adjustable mica condenser,switches…
X-rays · Radiography
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