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 155
ver this tube an-other short one, having a cover of thin glass cemented to arim at its top, is made to slide; this last tube is sufficientlyshort to allow the thin glass cover and the plate in the fixedtube to be brought into contact. The drop of water contain-ing the animalcules to be examined, is… … ACCESSORY INSTRUMENTS. 115 allow the contained air to escape in the sliding down of thecover, a small hole is drilled in the top; this may be subse-quently closed with sealing-wax, if it be required to preservethe fluid for future examination. Mr. Yarley, in the year 1831, greatly improved this…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-224-78.webp)
