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The microscopic cabinet of select animated objects : with a description of the jewel and doublet microscope, test objects, &c. to which are subjoined, memoirs on the verification of microscopic phenomena, and an exact method of appreciating the quality of microscopes and engiscopes by C.R. Goring (1832)

Pritchard, Andrew, 1804-1882, Goring, C. R., 1792-1840, Kelsall, W.H., fl. 1834-1860, engraver ill · London : Whittaker, Treacher, and Arnot, Ave-Maria-Lane · leaf 248

An illustration from The microscopic cabinet of select animated objects : with a description of the jewel and doublet microscope, test objects, &c. to which are subjoined, memoirs on the verification of microscopic phenomena, and an exact method of appreciating the quality of microscopes and engiscopes by C.R. Goring, 1832, leaf 248
atter is the simplest, but,unless properly constructed, is very liable to becomeunsteady, and is often in the way, preventing a candle,&c. from approaching close behind the stage ; the dis-advantage of the other methods is, that the observer iscompelled to use both hands in this adjustment.The… … The end, C, which is cylindrical, fits into thestage of the microscope, or the lower immoveableplate. A, may be the stage. This plate, A, isfixed to the part, C ; it has a circular aperture in themiddle, and a small hole at o, which acts as thecentre of motion for the plate, B, to turn about: onthe…

Microscopy

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