"Roentgen" induction coils and other X-ray apparatus (1904) (14757674615)

Identifier: roentgeninductio1904jame (find matches)
Title: "Roentgen" induction coils and other X-ray apparatus
Year: 1904 (1900s)
Authors: James G. Biddle Company
Subjects: X-rays Induction coils Radiography
Publisher: Philadelphia : James G. Biddle
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School



Text Appearing Before Image:
Figure 3. Type A Coil for 20 or HO volts Direct Current. THIS standard type of coil is in extensive use for X-Ray workand is operated on direct current,—either 20 volts from bat-tery or motor-generator, or the commercial no volts. It has the Roentgen Self-Starting- Mechanical Interrupter, adjustable mica condenser and switches as described under Me-chanical Interrupter and Condenser; as well as a primary having variable inductance. The finish of the wood-work is either ma-hogany or selected quartered oak, as desired. Prices. B2998. 20 Type A Coil for 20 volts D. C $450.00 B2999. 2Q// Type A Coil for no volts D. C 450.00 B3000. 18 Type A Coil for 20 volts D. C 400.00 B3001. 18 Type A Coil for no volts D. C 400.00 B3002. 15 Type A Coil for 20 volts DC 325.00 B3003. 15 Type A Coil for no volts D. C. 32500 B3004. 12 Type A Coil for 20 volts D. C 250.00 B3005. 12 Type ■« A Coil for no volts D. C 250.00 James G. Biddle, 1114 Chestnut Street, Philadelphia. 11 Roentgen Induction Coil.
Text Appearing After Image:
FlGURK 4 Type A Coil with Table and Rheostat. Prices. B3010. 20 Type A Coil with table and rheostat for 20 v., $500.00 B3011. 20 Type A Coil with table and rheostat for no v., 500.00 B3006. 18 Type A Coil with table and rheostat for 20 v., 450.00 B3007. 18 Type A Coil with table and rheostat for no v„ 450.00 B3008. i5 Type A Coil with table and rheostat for 20 v., 375.00 B3009. 15 Type * A Coil with table and rheostat for no v., 375.00 12 James (i. Kiddle, n 14,Chestnut Street, Philadelphia. Roentgen Induction Coil