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 909
d, by thefe means, wasenabled to mark divifions upon the tube,anfwering to the -^^th part of thewhole capacity ; which being about-,*&th of an inch each, may, by efti-mation, be eafily fubdivided into lefferparts. This gage, during the exhauft-ing of the receiver, is fufpended thereinby a flip… … \Jia. 4 P U M C 2647 1 P U M cittern of quick-diver, placed under-neath ; the air being then let in, thequick-filver will be driven into the gage,till the air remaining; in it becomes ofthe fame denfity with the external air;and as the air always takes the higheftplace, the tube being oppermoft,…
Art · Science
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