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 72
ews, heemployed Mr. James Smith, now one of our first opticians, toexecute a stand on the plan represented by fig. 21. Thisinstrument was finished by j\Ir. Smith, on the 30th of May,1826, and was the first of the kind constructed in this countrywith a double stage movement, a diaphragm, and a disc… … Fig.21. ble of being shut up one within the other, for convenience ofpackage; from these a short but stout pillar rose, having atits upper part a cradle joint, to which was attached the stage xand the arm a, supporting the compound body b, which consistedof three tubes, one within the other. Into…
Microscopy
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