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 256
ogether with an Iris diaphragm, is £10 15s. Stand VI. (fig. 167), which costs jQ$ 5s., is however sufficient forsuch ordinary observations as do not require the extreme precision whichis at the present day so sought after. The stand is a good type of theordinary microscope used twenty years ago by… … Fig. 164. 236 CARL ZEISS. fitted to the under surface by a bayonet point; the whole of this can beremoved when oblique light is required. The mirror, plane on one side and concave on the other, is fitted toa jointed bar giving oblique illumination in all positions.
Microscopy
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