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 394
354 MANIPULATION. in the loop g, and the spring being drawn close by pulling theend h between the cheeks a «, the flat-headed screw is turned,and the phial will be firmly held. The spring may be made of steel, or of moderately thinwhalebone, which can be used in preference, as it will not spoilby…
Microscopy
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