The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 222
ide over each other without separating. For moving the outer frame arack work is put on the lower or inner frame and a pinion with a toothed wheel onthe outer one. This is turned by the wheel shown. To prevent the camera run- CH. VIII] PHO TO-MICR OGRAPHY 207 ning down in the vertical position a… … Fig. 169. The camera bed is graduated in centimeters so that the exact extent of thebellows can be determined by inspection. The support on which the specime?i rests is of heavy glass on verticalrods about 10 centimers long. The background is placed on the table top about 10cm. below. This…
Microscopy
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