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A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures (1848)

Quekett, John, 1815-1861 · London, H. Bailliere · leaf 327

An illustration from A practical treatise on the use of the microscope, including the different methods of preparing and examining animal, vegetable, and mineral structures, 1848, leaf 327 — , as shown atfigs. 190 and 191, are also to be provided. Fig. 190 a b represents the outer sur-face of one of these; inthe middle there is anaperture, half-an-inch ormore in diameter, whosemargin is bevelled off, asshown at c. Fig. 191 deexhibits the inner surfaceof the corresponding piece,and at… … Fig. 190. o o d O e o o Fig. 191. MOUNTING OBJECTS IN THE DRY WAY. 287 together by four very short brass screws, the saw cuttingsallowing the two opposed surfaces of the wood to be broughtinto close apposition at the ends; a section of an object somounted is represented by fig. 192, in which ah…

Microscopy

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