The microscope : its construction and management : including technique, photo-micrography, and the past and future of the microscope (1893)
Heurck, Henri van, 1838-1909 · London : C. Lockwood ; New York : D. Van Nostrand Co. · leaf 112
is very con-venient. It consists of a prism, smallerthan the pupil, and is permanentlyfixed in front of a special ocular.Above this prism is annexed a ring ofblackened brass, close to which theeye is applied. Both the paper andthe image reflected by the prism canthen be seen at the same time. The… … CAMERA LUCIDA. The eye piece camera lucida can be removed when desired, and the rest of the instrument used as an ordinary horizontal microscope. In figure So we give the form of Oberhausers camera lucida. The apparatus above is very useful for low or medium magnifications, but it is not easy to…
Microscopy
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