ter, that is of a size too great to be satisfactorily photographedwith microscopic objectives. In common with other observers thewriter has found the short focus, wide angled, photographic objectivesto give excellent results. It is necessary to have considerable length1 1 j to 2 meters) of bellows… … § 335- 194 PHOTO-MICROGRAPHY. [CH VIII. with a hole of proper size is good. Then with a glass chimney on thelamp, place the bulls eye between the lamp and object (Fig. 157). Puta piece of white paper over the object and mutually arrange lamp andbulls eye till a sharp image of the flame may be seen…
Microscopy
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