The book of philosophical experiments, illustrating the principal facts and curious phenomena of electricity, galvanism, magnetism, optics, chemistry, heat, etc., with introductory observations of each science, and upwards of 300 experiments (1839)
Dalton, J. S. (John S.) · New York : [s.n.] · leaf 27
and, therefore, inorder to perceive an object clearly, it must be heldat some distance from the organ of vision. Oldgentlemen and ladies like books printed in a largetype, and with wide spaces between, because thenthe letters are more clear; and they hold thenewspaper the other side of the candie,… … Philosophical Experiments. from the cross, it will be seen, do not come to a fo-cus until they have passed through the retina atthe back of the eye, and, consequently, a perfectimage is not formed un it. If a convex glass beheld in front of the eye of a person suffering fromthis imperfection, he…
Physics
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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-314-207.webp)
