. Biology and its makers. Biology. 82 BIOLOGY AND ITS MAKERS Nierstrasz from the specimen in possession of the University of Utrecht. The instrument consists of a double copper plate in which the circular lens is inserted, and an object-holder— represented in the right-hand lower figure as thrown to one. Fig. iq.—Leeuwenhoek's Microscope. Natural size. From Photographs by Professor Nierstrasz, of Utrecht. side. By a vertical screw the object could be elevated or depressed, and by a transverse screw it could be brought nearer or removed farther from the lens, and thus be brought into focus. Fig
. Biology and its makers. Biology. 82 BIOLOGY AND ITS MAKERS Nierstrasz from the specimen in possession of the University of Utrecht. The instrument consists of a double copper plate in which the circular lens is inserted, and an object-holder— represented in the right-hand lower figure as thrown to one. Fig. iq.—Leeuwenhoek's Microscope. Natural size. From Photographs by Professor Nierstrasz, of Utrecht. side. By a vertical screw the object could be elevated or depressed, and by a transverse screw it could be brought nearer or removed farther from the lens, and thus be brought into focus. Fig. 20a shows the way in which the microscope was. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Locy, William A. (William Albert), 1857-1924. New York, H. Holt and company
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishe, booksubjectbiology
