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 153
form is used, in order that the bottomand edges may not be within the focus of theFig. 68. object-glass at the same time as the object-itself, which would sometimes happen if a disc were employed. Forceps.—For the purpose of holding minute objects, suchas parts of plants, or insects, to be examined… … ACCESSORY INSTRUMENTS. 113 which slides through a small tube, connected to a stout pin bymeans of a cradle-joint; to one end of the wire is attached a
Microscopy
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