. Botanical microtechnique. Botany -- Anatomy; Botany -- Morphology; Microscopy -- Technique; Microscopes -- Technique; Botany; Plants -- anatomy & histology; Microscopy. 206 Botanical Microtechnique The inexpensive Histoslide camera lacks the observation tube. The object is focused through the microscope ocular and the camera is carefully placed upon the ocular. In another model, the camera is held on a bracket attached to the ocular tube, and the camera is swung into position over the ocular (Fig. ) . Pillar-Type Cameras A rigid and substantial type of apparatus carries the camera on


. Botanical microtechnique. Botany -- Anatomy; Botany -- Morphology; Microscopy -- Technique; Microscopes -- Technique; Botany; Plants -- anatomy & histology; Microscopy. 206 Botanical Microtechnique The inexpensive Histoslide camera lacks the observation tube. The object is focused through the microscope ocular and the camera is carefully placed upon the ocular. In another model, the camera is held on a bracket attached to the ocular tube, and the camera is swung into position over the ocular (Fig. ) . Pillar-Type Cameras A rigid and substantial type of apparatus carries the camera on a vertical support, which is attached to a heavy base. Thus, the weight of the camera is not carried on the microscope tube. A simple version uses a bellows camera, without a lateral observation tube (Fig. ) . The latter camera may be used with a compound microscope or with Micro Tessar lenses used directly in the shutter of the camera. Excellent work can be done with such apparatus if the component parts are correctly aligned. However, it is obvious that the microscope cannot be used conveniently for visual work when fastened to the base of the camera shown in Fig. The camera must be slid vertically and the post swung back to permit use of the ocular. The base is not large enough to hold the lamp, therefore separate pro- .^gc3-^^ir—. 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 Sass, John E. (John Eugene), 1897-1971. Ames, Iowa State College Press


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Keywords: ., bookcentury1900, booksu, booksubjectbotany, booksubjectmicroscopy