ation,thus: If the size of the image is found to be gl mm. this numbermay be reduced to tenths mm., so it will be of the same denomina-tion as the object. In 9 mm. there are 90 tenths, and in j thereare 4 tenths, then the whole length of the image is 90 4 94 tenths 122 MA GNIFICA TH )N AND J//CR(… … Object- h>ia?e-b 1 Image—a
Microscopy
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-353-245.webp)
