A new and complete dictionary of arts and sciences : comprehending all the branches of useful knowledge, with accurate descriptions as well of the various machines, instruments, tools, figures, and schemes necessary for illustrating them, as of the classes, kinds, preparations, and uses of natural productions, whether animals, vegetables, minerals, fossils, or fluids : together with the kingdoms, provinces, cities, towns, and other remarkable places throughout the world : illustrated with above three hundred copper-plates, engraved by Mr. Jefferys, geographer to His Majesty : the whole extracted from the best authors in all languages (1763)

Society of Arts (Great Britain). Society of Gentlemen, Jefferys, Thomas, d. 1771, Grignion, Charles, 1721-1810, Wale, Samuel, d. 1786, Owen, W. (William), d. 1793 · London : Printed for W. Owen, at Homer's Head, in Fleet-Street · leaf 768

An illustration from A new and complete dictionary of arts and sciences : comprehending all the branches of useful knowledge, with accurate descriptions as well of the various machines, instruments, tools, figures, and schemes necessary for illustrating them, as of the classes, kinds, preparations, and uses of natural productions, whether animals, vegetables, minerals, fossils, or fluids : together with the kingdoms, provinces, cities, towns, and other remarkable places throughout the world : illustrated with above three hundred copper-plates, engraved by Mr. Jefferys, geographer to His Majesty : the whole extracted from the best authors in all languages, 1763, leaf 768 — matic colours taken fepa-rately. No compofition of thefe colours will pro-duce black; that being no colour, but thedefeft or abfence of all colour whatever.What it is gives bodies this power of re-flecting fome one fort of rays moll copi-oufly, and fome another, is probably no-thing elfe than the… … *f/#;V<v^ COL [ 671 ] COL1 tnde of the condiment particles of bodies.The green of vegetables he takes to beof the thin! order, as likewife the blueof fyrup of violets : the azure colour ofthe iky he takes to be of the fii It order,as alfo the moil intenfe and luminouswhite ; but if it is lefs…

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