A manual of practical medical electricity : the Röntgen rays and Finsen light . Fig. 156.—Seven-toed Foot of Boy of Sixteen, showingUnunited Fig. 157.—Chinese Ladys Foot, showing Disease of thej Tibia. 344 -^ Manual of Practical Medical Electricity and the exact position of the tube-holder can be ascer-tained by reading the scale through the central glasswindow of the tube-holder. To give greater accuracy,a fine line is drawn upon the glass. Beneath the cross-bar a recess is cut in the board thatforms the base of the apparatus to contain the negative-holder. The negative-holder is
A manual of practical medical electricity : the Röntgen rays and Finsen light . Fig. 156.—Seven-toed Foot of Boy of Sixteen, showingUnunited Fig. 157.—Chinese Ladys Foot, showing Disease of thej Tibia. 344 -^ Manual of Practical Medical Electricity and the exact position of the tube-holder can be ascer-tained by reading the scale through the central glasswindow of the tube-holder. To give greater accuracy,a fine line is drawn upon the glass. Beneath the cross-bar a recess is cut in the board thatforms the base of the apparatus to contain the negative-holder. The negative-holder is made to slide in and outof the recess, and to occupy during successive exposuresexactly the same position. In order that it may be withdrawn without disturbingthe position of the patient, a framework of thin iron plateis placed over it, and in the centre of this a hole 12 by10 inches in diameter is cut, and over this hole a stoutpiece of webbing or canvas is stretched. The wholeweight of the patient may now rest upon the canvas with-out pressing upon the negative-holder beneath. The method of procedure is now as follows : The patient having bee
Size: 1412px × 1770px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectelectro, bookyear1902
