Beale, Lionel S. (Lionel Smith), 1828-1906 · London, Harrison · leaf 120
or mounting. They may be covered by circularpieces of glass. 86. Glass Shades.—Every microscopist should be providedwith from six to twelve small glass shades from two to four orfive inches in diameter, to protect objects which are beingmounted from the dust. The cheap slightly green… … Fig. 83. Fig. 91.
Microscopy
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