Proceedings of the American Academy of Arts and Sciences, Volumen2Metcalf and Company, 1852 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 85
... present . The whole subject has undergone a more thor- ough examination . The conclusion that nitrates are not reduced by lead I have found to be erroneous ; for experiment has shown that up- on boiling a strong solution of nitrate of ...
... present . The whole subject has undergone a more thor- ough examination . The conclusion that nitrates are not reduced by lead I have found to be erroneous ; for experiment has shown that up- on boiling a strong solution of nitrate of ...
Página 86
... present . Upon examining the ni- trate of potash employed as a reagent in the first experiment , and which had been purchased for this purpose because it was labelled pure , it was found to contain alkaline chlorides , a circumstance to ...
... present . Upon examining the ni- trate of potash employed as a reagent in the first experiment , and which had been purchased for this purpose because it was labelled pure , it was found to contain alkaline chlorides , a circumstance to ...
Página 88
... green plants , ' under the influence of sunlight , were confirmations of some of the experi- mental results of Count Rumford . present , oxygen will be given out and immediately expelled 88 PROCEEDINGS OF THE AMERICAN ACADEMY.
... green plants , ' under the influence of sunlight , were confirmations of some of the experi- mental results of Count Rumford . present , oxygen will be given out and immediately expelled 88 PROCEEDINGS OF THE AMERICAN ACADEMY.
Página 89
... present . 5th . The hydrogen of organic bodies ( as Liebig has remarked ) oxidates first . This position I have verified by a series of observations , to which I will here only refer . " The following experiment may be mentioned in this ...
... present . 5th . The hydrogen of organic bodies ( as Liebig has remarked ) oxidates first . This position I have verified by a series of observations , to which I will here only refer . " The following experiment may be mentioned in this ...
Página 94
... present , 0.05gr . of lead . After separation from the grounds , 0.0005 " " II . 55cc . of solution containing one tenth as much lead as the above , with the above quantity of tea , lost more than eleven twelfths of its lead ...
... present , 0.05gr . of lead . After separation from the grounds , 0.0005 " " II . 55cc . of solution containing one tenth as much lead as the above , with the above quantity of tea , lost more than eleven twelfths of its lead ...
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