James G. Biddle Company · Philadelphia : James G. Biddle · leaf 9
a. i8// Roentgen Coil with self-starting mechanical and electrolytic inter-rupters ; operated from no v. direct current. Episcopal Hospital, Philadelphia. i87/ Roentgen Coil with self-starting mechanical and electrolytic inter-rupters ; operated from no v. direct current. Dr. Wisner R. Townsend,… … FIGURE 2. Roentgen Coil, with primary of variable inductance, mounted on handsomecabinet. An electrolytic interrupter is placed within the cabinet. On top atone end is a marble board on which are mounted—Weston Ammeter, controll-ing rheostat for no volts, necessary switches and fuses. Woodwork, oak…
X-rays · Radiography
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