Davidson, James Mackenzie, Sir, 1856-1919 · New York, P.B. Hoeber · leaf 54
angement. If prints fromthe negatives are viewed, no special illumination isnecessary, as these can be seen by ordinary reflectedlight. All that the observer has to do is to movethe support of the mirrors backwards and forwardsuntil he gets the single image in stereoscopic relief.The beginner will… … Fig. 18.—Method of Viewing with the WheatstoneStereoscope.
X-rays · Eye · Foreign bodies (Surgery)
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