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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 162

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 162 — are so thick thatthe light cannot readily be transmitted through them, or formaking flat others whose elasticity is sufficient to raise up thethin cover when they are placed between glasses to be viewedin the ordinary way. There are many kinds in use, some offoreign, others of home invention. The… … Fig. 80. plate of brass which has rising from its centre a piece of tubehaving on its outside a short screw, on which works a largecircular nut, with a milled head; to the inside of the tube acircular piece of plate-glass is fixed, projecting slightly aboveits edges; this may be called the…

Microscopy

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