Journal of the Franklin InstituteVols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Page 31
... add little by little 200 grammes ( 6.5 oz . Troy ) nitric acid , spec . grav . 1.33 . This addition produces an effervescence due to the disengagement of nitrous acid . When all the acid Liquid and Unchangeable Glue . 31.
... add little by little 200 grammes ( 6.5 oz . Troy ) nitric acid , spec . grav . 1.33 . This addition produces an effervescence due to the disengagement of nitrous acid . When all the acid Liquid and Unchangeable Glue . 31.
Page 32
When all the acid is poured in , the vessel is removed from the fire and suffered to cool . I have preserved glue thus prepared for more than two years in an uncorked bottle , and during this time it underwent no change .
When all the acid is poured in , the vessel is removed from the fire and suffered to cool . I have preserved glue thus prepared for more than two years in an uncorked bottle , and during this time it underwent no change .
Page 44
190 , ) determined experimentally for atmospheric air , hydrogen gas , carbonic acid , and nitrogen , the values of the ratio of the density to the pressure in each of these aëriform fluids , taken at different densities .
190 , ) determined experimentally for atmospheric air , hydrogen gas , carbonic acid , and nitrogen , the values of the ratio of the density to the pressure in each of these aëriform fluids , taken at different densities .
Page 46
For carbonic acid , and at the tem1 perature indicated , this limit is found to correspond to m = nearly ; so 4 that the influence of the tendency to liquefaction begins to show itself in the law of compressibility of this gas , so soon ...
For carbonic acid , and at the tem1 perature indicated , this limit is found to correspond to m = nearly ; so 4 that the influence of the tendency to liquefaction begins to show itself in the law of compressibility of this gas , so soon ...
Page 47
... to 181 ; for oxygen , to 91 ; and for carbonic acid , to 44 ; always taking for the unit of density , that of each gas under a pressure of one metre of mercury ; so that at these limits of densities respectively , these gases ought ...
... to 181 ; for oxygen , to 91 ; and for carbonic acid , to 44 ; always taking for the unit of density , that of each gas under a pressure of one metre of mercury ; so that at these limits of densities respectively , these gases ought ...
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