Air and rain : the beginnings of a chemical climatology / by Robert Angus Smith.

  • Smith, Robert Angus, 1817-1884.
Date:
1872
Catalogue details

Licence: Public Domain Mark

Credit: Air and rain : the beginnings of a chemical climatology / by Robert Angus Smith. Source: Wellcome Collection.

    36/664 (page 16)
    Analyses made by various Methods. The earliest analyses were made with gases soluble in liquids. Nitric oxide united with the oxygen of the air; and the resulting compound was absorbed. But, taking all together, they agree with the latest results as well as can be expected. If we examine the results obtained by weighing, we find remarkable differences. It would be difficult to illustrate this difference more clearly than by the analyses of Lewy. When he used the balance he found— Air of the German Ocean. Sky. Oxygen. 2nd Aug ust, 1841 Covered 20-459 3rd do. Fine .... 20-423 3rd do. ... do. .... 20-450 4th do. do. .... 20-432 22nd May, 1842 Covered 20-884 22nd do. Fine .... 20-911 23rd do. Covered 20-893 24th do. do. 21-010 24th do. do. 20-839 Air of Guadaloupe. Oxygen in 100 vol. Petit Canal 20 Nov. 1842 . . Calm . 20-839 do. ... 20 do. . . Calm . 20-821 do. ... 21 do. . . Fine 20-848 do. 23 do. . . Covered 20 929 do. 23 do. . . Calm . 20-667 Mangrove on the River Salee 27 do. . . Calm . 20-839 do. do. 28 do. . . Fine 20-504 do. do. 28 do. . . • • • 20-522 Petit Bourg 29 do. . . Fine 20-802 When he used explosion by hydrogen, his results were as follows:-—