Harris, John · Montreal, Lovell Printing and Publishing Co. · leaf 23
entitled Centrifugal Force andGravitation. A particular feature of the present exposition is theillustration of the subject by models. The arrangement,however, and, to some extent, the matter, is diflferent to thatin the former treatise; to which, indeed, this may be con-sidered introductorj. The… … BOTH THEORIES.VIEW FROM ABOVE.
Astronomy
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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-149-83.webp)
