Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 139
dustproof pattern has found special favour, rendering unneces-sary the removal of objectives after use. One of these is illus-trated (Fig. 52). They are to be had made of an aluminiumalloy which is extremely light, reducing the strain on the body-tube. Any microscope having the universal size of… … ACCESSORY APPARATUS 119 of the stage, otherwise in rotating the objectives they are, withlow powers, apt to foul the rackwork bar of the microscope. Objective Changers by Zeiss.—It will be readily perceivedthat however accurately a revolving nosepiece may be made, thesame portion of the object will…
Microscopy
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