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 39
n the ruler, and thereby exactlyto measure the diameter it appears of through the glass,which being compared with the diameter it appears of to thenaked eye, will easily afford the quantity of its magnifying.To Hooke also belongs the merit of having first made globulelenses of high power, an… … THE MICROSCOPE. 5 was born. Hooke describes exceedingly well the process ofmaking globule lenses, which is as follows:— If you take aclear piece of Venice glass, and, in a lamp, draw it out intofine threads, and then holding the ends of these threads inthe flame, until they melt, they will run into…
Microscopy
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