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, -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 623

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 623 — ndery and Letter.There are feveral kinds cf thefe gages,as the flat gage, reprefented in plate ClX.fig. j.nj. and the face gage and italic-gage, &c. ibid. ti° 5.Stiding-GAGE, a tool ufed by mathematicalinftrument maker-, for meafuring andfetting off diftances. It is alio of ufe… … (ijfy. -z. G ALLEUT y />//■■■■/• ■■■■?> GAG [ 1377 1 GAG >ea-G\GE-, an inftrument invented by Dr.Hales ard Dr. Defaguliers, for findingthe depth of the fea, the defcription where-of is this. A B (plate CIX. fig. 1.n° 1.) is the gage bottle, in which is ce-mented the gage-tube Yf, in the…

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