Morton, Edward Reginald, 1867- · New York : E.B. Treat & Co. · leaf 152
ot be quitecorrect. See Plate I. STEREOSCOPIC RADIOGRAPHY. 127 Not the least important feature of the method is itsextreme simplicity. The only extra pieces of apparatus required are aWheatstones stereoscope and a changing-box, whichlatter has already been described. This is placed under the part… … Fig. 48. Wheatstones Stereoscope. The first plate being in position in the changing boxthe clamp holding the tube arm is loosened and the tubemoved three centimetres to the right and secured. Theexposure is then made and the plate marked ~R andtaken to the dark room. Another fresh plate is…
