James G. Biddle Company · Philadelphia : James G. Biddle · leaf 13
yer, Va. i6/7 Roentgen Coil with self-starting mechanical and electrolytic inter-rupters ; operated by motor-generator from 500 v. direct current. Barnard Sanitarium, Baltimore, Md. 15 Roentgen Coil with self-starting mechanical interrupter ; operatedby dynamotor from 220 v. direct current. Dr.… … FIGURE 4. Roentgen Coil, with primary of variable inductance, mounted on handsomeopen cabinet. Self-starting mechanical and electrolytic interrupters are pro-vided (the latter not shown), as well as Weston Ammeter, Weston Voltmeter,controlling rheostat for no volts, adjustable mica condenser,…
X-rays · Radiography
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