. The microscope; an introduction to microscopic methods and to histology. Microscopes. Fig. 36. Triple nose-piece or revol- ver for quickly changing objectives. (The Spencer Lens Co.) Fig. 36a. Triple nose-piece or re- volver for quickly changing objectives. ( The Bausch & Lomb Optical Co.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gage, Simon Henry, 1851-1944. Ithaca, N. Y. Comstock publishing company

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmicrosc, bookyear1901