The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 42
Fig. 36. Triple nose-piece or revol-ver for quickly changing objectives. (TheSpencer Lens Co.) Fig. 36a. Triple nose-piece or re-volver for quickly changing objectives.(The Bausch & Lomb Optical Co.) 28 MICROSCOPE AND ACCESSORIES [CH. I § 50. Field or Field of View of a Microscope.—This is…
Microscopy
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