Davidson, James Mackenzie, Sir, 1856-1919 · New York, P.B. Hoeber · leaf 7
A Convenient Procedure for Viewing the StereoscopicIllustrations in this Volume, The stereoscope employed is one commonly supplied by opticians with theend-piece sawn off. The focus is easily adjusted by arranging thedistance at which the book is held from the observer. Fvontispiece. LOCALIZATION…
X-rays · Eye · Foreign bodies (Surgery)
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