Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 197
working of this prism with immersion objectives isstated by Mr. Tolles to be peculiarly satisfactory.f 117. Stephensons Safety Stage.—In examining objects with thosehigher powers which focus extremely close to the covering glass, theslightest inadvertence is likely to lead to a fracture of the… … matter with Mollers Diatom. Type Slide, orRoberts Test Lines, or with many othersthat are expensive or perhaps impossible toreplace. To remove this source of dangei\Mr. Stephenson contrived the safety stage,shown in Fig. 92. The frame on which theslide carrying the object rests, is hinged atits…
Microscopy · Biology
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