Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 169
d hjthe celebrated anatomist Soemmering, and preferred by someMicroscopists, is a flat sjieculum of polished steel or speculum-metal,of smaller diameter than the ordinary pupil of the eye, fixed at anangle of 45° in front of the eye-piece. The rays from the eye-pieceare reflected vertically upwards… … Chevaliers Camera Lucida. of the pupil, the image formed by the Microscope is visually projecteddownwards.—In another form of Camera Lucida, devised by Amici, and adapted to the horizon-tal microscope by Chevalier,the eye looks through theMicroscope at the object (asin the ordinary view of…
Microscopy · Biology
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