The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 21
Fig. 19. Lens-holder ( The Bausch &Lomb Optical Co.) Fig. 18. The Hastings Aplan-atic Triplet. ( The Bausch & LombOptical Co.) MICROSCOPE AND ACCESSORIES \CH. I … Fig. 20. Dissecting Microscope. This is simply a device for holding the lensand the object to be observed. (The Bansch & Lomb Optical Co.) . Simple microscopes are very convenient when only a small mag-nification (Ch. IV) is desired, as for dissecting. Achromatic tripletsare excellent and…
Microscopy
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