Modern microscopy; a handbook for beginners and students (1912)
Cross, M. I, Cole, Martin J · Chicago, Chicago Medical Book Co. · leaf 149
will be found very advan-tageous. It is made of vulcanite,and consists of two piecesjointed in the middle; oneside is bored out to the outer diameter of the draw-tube, over which it slides, and the otherportion is just a plain piece of sheet vulcanite which obscureslight from the disengaged eye. It… … Fig. 61. ACCESSOEY APPARATUS 129 soon finds its way between the fittings, and causes mechanicalscrews to work with backlash. When not in use, the instrumentshould always be placed in its case or under a glass shade. Dusting.—For dusting the microscope, a camels-hair brushshould be used in the first…
Microscopy
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