"Roentgen" induction coils and other X-ray apparatus (1904) (14777566113)

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:
James G. Biddle, 1114 Chestnut Street, Philadelphia. 33. ^torage Batteries.
Text Appearing After Image:
Figure 19. Portable Battery Type M P. FOR use with the Roentgen Portable 9 Coil we have hadmade specially the light weight storage battery above illustra-ted. It has capacity of 50 ampere hours and is sufficiently power-ful to run the coil continuously for therapeutic work for about twentyhours. After that it must be recharged. As for capacity, this is ample to do the mp e a ery usual amount of treatment on one charge, apacity. .f ^ operator wishes to take the coil and battery to a patients home and leave them there till the course of treatment is completed. Or the entire apparatus is light enough to be taken to and fro in a physicians carriage. To reduce the weight of each part to aThree Cells Per Set. . . ,, „ f . ,, r nrnimum, three cells of battery are mount-ed together, in a suitable carrying case with handle. The potentialof each cell being 2 volts, it follows that a set of batteries de-livers current at 6 volts. Two sets will operate our portablecoil very well, but as that me