. The microscope; an introduction to microscopic methods and to histology. Microscopes; 1899. ch. rni] PHOTO-MICROGRAPHY. 207. Fig. 162. Arrangement of a vertical or horizontal camera for making photographs of nat- ural history objects—sectional view. 1. The photographic objective. It should be of the best quality and rectilinear so that there may be no distortion. 2. Cone to increase the length of the camera and avoid shadows. 3. Graduated rod to support the front of t/ie camera and hold it rigid, and also to serve as guide to the various magnifications and reductions most commonly desired. .
. The microscope; an introduction to microscopic methods and to histology. Microscopes; 1899. ch. rni] PHOTO-MICROGRAPHY. 207. Fig. 162. Arrangement of a vertical or horizontal camera for making photographs of nat- ural history objects—sectional view. 1. The photographic objective. It should be of the best quality and rectilinear so that there may be no distortion. 2. Cone to increase the length of the camera and avoid shadows. 3. Graduated rod to support the front of t/ie camera and hold it rigid, and also to serve as guide to the various magnifications and reductions most commonly desired. ./. Ground glass. It is an advantage to have a clear space in the middle for accurate focusing, as for the photo-micrographic camera (Fig. 133). 3. Camera bed fastened to the sliding focusing board, 6. 6. Focusing board to which the camera is clamped. 7. Focusing screw. S. Solid piece connecting the focusing board and focusing screw, p. Hinge on which the camera swings. 10. Drawer in which are kept the objective and other accessories. 11. Box of sand or other heavy material to serve as ballast. The large screw eyes in the legs of the table serve as leveling screws. 40. If the photographic prints are to be used solely for outlines, the well-known blue prints so much used in engineering and architecture. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gage, Simon Henry, 1851-1944. Ithaca, N. Y. , Comstock Publishing Company
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