. The microscope; a simple handbook. Microscopes. Fig. 109.—No. 3227, Metallurgical Microscope, with rack and pinion focussing stage, object glaas.^and vertical illuminator. 117. 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 Beck, Conrad, 1864-. London, R. & J. Beck, Ltd.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectmicroscopes, bookyear