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 148
ACCESSORY INSTRUMENTS. 107 … near to the lamp or candle used as the illuminating body with-out moving the other parts of the stand. Another very convenient way of mounting the condensinglens is represented by fig. 60, as adopted by Messrs. Smith and Beck; the foot ais the same as in theother instrument; butinstead of a solid…
Microscopy
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