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 229
Fig. 146. Fig. 147. ROSS AND CO. 209 the instrument can assume without a moments preparation, which thusproves its utility. The price of this stand varies from £42 with the monocular, to ,£50with the binocular tube.
Microscopy
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