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 124
ely at the back of the triangular one ; the triangularguide forms a firm support for the body to rest upon, and theflat guide answers the purpose of keeping the first in closeopposition with the channel, whilst by the rack at its backthe movement of the body up and down the arm is effectedby the… … THE COMPOUND MICROSCOPE. 89 glass fit, and to the lower end there is fitted a short tube,carrying the object-glasses; this is moved up and downslowly by the screw H, acting on the end of a lever, and soforms the fine adjustment. The stage adapted to this instru-ment may be one of two forms, either…
Microscopy
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