 | Joseph Priestley - 1790 - Liczba stron: 494
...But having afterwards procured a lens of twelve inches diameter, and twenty inches focal diftance, I proceeded with great alacrity to examine, by the help of it, what kind of air a great variety of fubftances, natural and factitious, would yield, putting them into the veflels reprefented fig. a,... | |
 | Henry Minchin Noad - 1841 - Liczba stron: 362
...description. Dr. Priestley discovered dephlogisticated air or oxygen gas, on the first of August, 1 774 ; the following is the account he gives of the discovery....the same. With this apparatus, on the 1st of August 1774, I endeavoured to extract air from mercurius calcinatus per se, (red precipitate of mercury,)... | |
 | Smithsonian Institution. Board of Regents - 1860 - Liczba stron: 460
...projected, and which in theory appeared very promising. But having afterwards procured a lens of tnxlve inches diameter and twenty inches focal distance,...natural and factitious, would yield, putting them into glass -wessels, which I filled with quicksilver, and kept them inverted in a basin of the same. With... | |
 | 1880 - Liczba stron: 874
...I had projected, and which in theory appeared very promising. But having afterwards procured a lens of twelve inches diameter and twenty inches focal...alacrity to examine by the help of it what kind of airagrcat variety of substances, natural and factitious, would yield, putting them into glass vessels,... | |
 | Smithsonian Institution - 1880 - Liczba stron: 902
...I had projected, and which in theory appeared very promising. But having afterwards procured a lens of twelve inches diameter and twenty inches focal...distance, I proceeded with great alacrity to examine Ът the help of it what kind of air a great variety of substances, natural and factitious, would yield,... | |
 | Robert Routledge - 1881 - Liczba stron: 748
...possible. " Having procured a lens ot 12 inches diameter and 20 inches focal distance, I proceeded witli great alacrity to examine by the help of it what kind...natural and factitious, would yield, putting them into small phials made with round bottoms and very thin, filled with mercury and inverted in a basin of... | |
 | Matthew Moncrieff Pattison Muir - 1902 - Liczba stron: 196
...beef, mutton, and other animal substances, and by other methods. He says : " Having procured a lens of twelve inches diameter and twenty inches focal...great variety of substances, natural and factitious, p 1: & »_-- s:§: I^W^'-l-ll -|P*M' -- Fig. XVI., which is reduced from an illustration in Priestley's... | |
 | 1917 - Liczba stron: 906
..."dephlogisticated air," as he named the new gas. Let Priestley tell his own story : "Having procured a lens of twelve inches diameter and twenty inches focal distance, I proceeded with the greatest alacrity, by the help of it, to discover what kind of air a great variety of substances... | |
 | Thomas Edward Thorpe - 1906 - Liczba stron: 252
...possibly make many of the experiments that he had projected. " But having afterwards procured a lens of twelve inches diameter and twenty inches focal...natural and factitious, would yield, putting them into vessels r_short, wide, round-bottomed phials] , which I filled with quicksilver and kept inverted in... | |
 | Matthew Moncrieff Pattison Muir - 1906 - Liczba stron: 610
...production of a new kind of air was that which he performed in 1774. He says: i "Having procured a lens of twelve inches diameter, and twenty inches focal...of substances, natural and factitious, would yield. . . . With this apparatus, after a variety of other experiments, an account of which will be found... | |
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But having afterwards procured a lens of twelve inches diameter and twenty inches focal distance, I proceeded with great alacrity to examine by the help of it what kind of air a great variety of substances, natural and factitious, would yield... 
