"Roentgen" induction coils and other X-ray apparatus (1904)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 53
..... Philadelphia. 18 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated from no v. direct current. Episcopal Hospital, Philadelphia. 18 Roentgen Coil with self-starting mechanical and electroly-tic interrupters; operated from no v. direct current. Dr. Wisner R.… … Figure 35. An 18 Roentgen Coil mounted on special cabinet, with amme-ter, rheostat, switches, etc.; as made for Kings County Hospital,Brooklyn. James G. Biddle, 1114 Chestnut Street, Philadelphia. 49 University of Penna. Hospital, . . . Philadelphia. 18 Roentgen Coil with self-starting mechanical…
X-rays · Induction coils · Radiography
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