. "Roentgen" induction coils and other X-ray apparatus . nterrupter; operated fromno v. direct current. Dr. G. E. Pfahler, Philadelphia. 18 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated from no v- direct current. <irace Hospital, ..... New Haven, Conn. 18 Roentgen Coil with self-starting mechanical interrupter;operated from no v. direct current. Or. F. H. Baetjer, Baltimore, Md. 18 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated by motor-generator from 220 v. directcurrent. St. Josephs Hospital, Baltimore, Md 18 Roe
. "Roentgen" induction coils and other X-ray apparatus . nterrupter; operated fromno v. direct current. Dr. G. E. Pfahler, Philadelphia. 18 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated from no v- direct current. <irace Hospital, ..... New Haven, Conn. 18 Roentgen Coil with self-starting mechanical interrupter;operated from no v. direct current. Or. F. H. Baetjer, Baltimore, Md. 18 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated by motor-generator from 220 v. directcurrent. St. Josephs Hospital, Baltimore, Md 18 Roentgen Coil with self-starting mechanical interrupter;operated by motor-generator from no v. alternating current. Dr. W. G. Erving Washington, D .C. 18 Roentgen Coil with electrolytic interrupter; operated fromno v. direct current. U. S. Post Hospital, Fort Myer, Va. 16 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated by motor-generator from 500 v. directcurrent. 50 James G. Biddle, 1114 Chestnut Street, Philadelphia,. Figure 36. A 20 Roentgen Coil mounted on special cabinet with switch-board, etc.; as made for Dr. A. W. Goodspeed, University of Penn-sylvania, Philadelphia. James (i. Biddle, 1114 Chestnut Street, Philadelphia. 51 Barnard Sanitarium Baltimore, Md. 15 Roentgen Coil with self-starting mechanical interrupter;operated by dynamotor from 220 v. direct current. Dr. Robert P. Cummins, .... Qermantown, Pa. 15 Roentgen Coil with self-starting mechanical interrupter;operated from no v. direct current. St. Lukes Hospital, . . South Bethlehem, Pa. 15 Roentgen Coil with three-anode electrolytic interrupter;operated from no v. alternating current. Mr. W. C. Fuchs, Chicago, 111. 15 Roentgen Coil with self-starting mechanical interrupter;operated from 20 v. storage battery. Dr. Wm. F. Muhlenberg, .... Reading, Pa. 15 Roentgen Coil with self-starting mechanical interrupter;operated from no v. direct current. Miss. A. & M. College, . . Agricultur
Size: 1292px × 1934px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorjamesgbi, bookcentury1900, bookdecade1900, bookyear1904
