Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 261
icular adjustment. II. The Camera Lucida and its Uses.—There are a large numberof contrivances devised for the purpose of enabling the observerto see the image of an object projected on a surface upon which hemay trace its outlines, but they resolve themselves practically intotwo kinds, viz. 1.… … Fig. 179. We shall describe what we consider the most practical forms of each. 7-7 In point of antiquity Wollastons camera lucida claims the postof honour ; but to use it the microscope must be placed in a hori-Its general form is shown in fig. 179. The rays-on leaving the eye-piece, above which…
Microscopy
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