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 33
12 OF LENSES AND THEIR PROPERTIES. This being granted, let us further remark that in order to obtainthe images produced by convex lenses, the image of an object isformed by the union of the foci, produced by each of the points ofthis object, the demonstration of which can be simplified by makingthe…
Microscopy
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