James G. Biddle Company · Philadelphia : James G. Biddle · leaf 11
Baltimore, Md. 18 Roentgen Coil with self-starting mechanical and electrolytic inter-rupters ; operated by motor-generator from 220 v. direct current. St. Josephs Hospital, Baltimore, Md, 18 Roentgen Coil with self-starting mechanical interrupter ; operatedby motor-generator from 110 v. alternating… … Roentgen Coil, with primary of variable inductance, mounted on desk-formtable. Self-starting mechanical and electrolytic interrupters are provided, aswell as Weston Ammeter, Weston Voltmeter, controlling rheostat for no volts,adjustable mica condenser, switches, fuses, etc. A marble switchboard is…
X-rays · Radiography
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