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The microscope made easy : or, I. The nature, uses, and magnifying powers of the best kinds of microscopes described, calculated, and explained ... II. An account of what surprizing discoveries have been already made by the microscope: with useful reflections on them .. (1742)

Baker, Henry, 1698-1774, History of Medicine Collections (Duke University) NcD · London : Printed for R. Dodsley, at Tully's Head · leaf 71

An illustration from The microscope made easy : or, I. The nature, uses, and magnifying powers of the best kinds of microscopes described, calculated, and explained ... II. An account of what surprizing discoveries have been already made by the microscope: with useful reflections on them .., 1742, leaf 71
d twenty halfInches, the Diameter will be magnified onehundred and twenty Times, which multi-plied by one hundred and twenty, (hews theSuperficies to be magnified fourteen thou-fand and four hundred Times: and by put-ting the Skreen at farther Diftances youmay magnify your Objects to almoft… … CHAP, [ 39 ] CHAP. IX. Of the magnifying Power of GJafes in thedouble Microfcope. I Should now (hew the Method of com-puting the magnifying Power of ourdouble Microfcope, as I have done of thefingle ones : but a Calculation of the Powersof three combined GlafTes, would appear fointricate and…

Microscopy

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