Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 109
lso been largely used byEnglish manufacturers. No. 2 is the mean of the sizes used by the English trade forstudents and small microscopes. 88 MODERN MICROSCOPY No. 3 is the mean of the sizes used for medium-sized bin-oculars and for microscopes of a similar class. No. 4. is the maximum size for… … Fig. 32.—Zeisss Binocular Eyepiece. their own make draw-tube fittings of diameters which do notconform to either of the above-mentioned standards, and thosewho may be contemplating the purchase of a microscope will.beconferring a benefit on microscopy generally and directly onthemselves if they…
Microscopy
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