The microscope : its construction and management : including technique, photo-micrography, and the past and future of the microscope (1893)
Heurck, Henri van, 1838-1909 · London : C. Lockwood ; New York : D. Van Nostrand Co. · leaf 242
Fig. 156. Fig. 157. The small pocket microscope, represented in figures 158 and 159,should also be mentioned. It can be conveniently carried in WATSON AND SONS. … Fig. 158. the breast pocket, for when theapparatus is closed it is only 7centimetres (3 inch) in length and 2centimetres (f inch) in diameter. Oneof these figures represents the micro-scope closed, and the other the instru-ment ready for use. The preparationC is held firm by a small tube…
Microscopy
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