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 82
Fg- 55- Fig. 56. 62 THE OBJECTIVES. where species of domes are formed by the upper bed of the valve,which closes the openings of the middle plate. Surirella Gemma.—-The diatom of this name shows very easilythe appearance of the lines transverse to its longer axis (fig. 55). It isa more difficult…
Microscopy
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