ssuedthe Columbia University Press — In passing the writer would like to pay a tribute to Mr. W. II. Walmfwho has labored in advancing photo-micrography for the last twenty yeHis convenient apparatus and abundant experience have been placed freely atthe command of every interested worker, and many… … Fig. 170. Zeiss Vertical Photo-micro-graphic Camera. A. Set screw holdingthe rod (S) in any desired position. /. Q.Set screws by which the bellows are held inplace. B. Stand with tripod base in whichthe supporting rod {S) is held. This rod isnow graduated in centimeters and is aready means of…
Microscopy
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