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 135
t of the tank, intended to formas many elements. At the bottom, these compartmentscommunicate with one another by a verysmall opening. The active elements attached at thebottom to the cover E, are arrangedin six ranks, each of which corresponds Fig. 106. to one of the cells of the ebonite tank;each… … ELECTRICAL ILLUMINATION. 5 cover, which also carries two terminals for establishing the current. The battery does not emit any odour, and will feed the photophorelamp for two hours. When the battery is exhausted the two milled heads A, B areunscrewed, the rim which they keep in position is removed;…
Microscopy
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