Proceedings, American Philosophical Society (vol. 1, no. 12)American Philosophical Society |
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Página 208
... space examined by all these observers , has recently undergone a change in shape and brilliancy . In making the chart of the stars to which the nebulous space is re- ferred , Mr. Mason used the ten feet Dollond refractor , of five ...
... space examined by all these observers , has recently undergone a change in shape and brilliancy . In making the chart of the stars to which the nebulous space is re- ferred , Mr. Mason used the ten feet Dollond refractor , of five ...
Página 238
... space , although previously saturated with vapour , by the removal of a por- tion of it together with the air which is withdrawn by the exhaus- tion , acquires a capacity for more vapour ; and hence the hygrome- ter , by an abstraction ...
... space , although previously saturated with vapour , by the removal of a por- tion of it together with the air which is withdrawn by the exhaus- tion , acquires a capacity for more vapour ; and hence the hygrome- ter , by an abstraction ...
Página 239
... space al- lotted to this weight of vapour being doubled , it would remain uncon- densed at 45 ° F. , being associated with the same weight , but double the volume , of air ; but at 32 ° , notwithstanding the doubling of the space , only ...
... space al- lotted to this weight of vapour being doubled , it would remain uncon- densed at 45 ° F. , being associated with the same weight , but double the volume , of air ; but at 32 ° , notwithstanding the doubling of the space , only ...
Página 241
... space , rather than to the air which it contained . With respect to Gay Lussac's celebrated experiment with the Tor- ricellian vacuum , supposing such a vacuum to be a pre - eminently good liberator of heat , as it ought in reason to be ...
... space , rather than to the air which it contained . With respect to Gay Lussac's celebrated experiment with the Tor- ricellian vacuum , supposing such a vacuum to be a pre - eminently good liberator of heat , as it ought in reason to be ...
Página 242
ly to its distribution in the space where it could have encountered the due proportion of caloric . Professor Bache , from the Committee on magnetic observa- tions , read an extract from a letter of Major Sabine ... space where it could ...
ly to its distribution in the space where it could have encountered the due proportion of caloric . Professor Bache , from the Committee on magnetic observa- tions , read an extract from a letter of Major Sabine ... space where it could ...
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Términos y frases comunes
1840.-From the Author 1840.-From the Society 25th Congress Academy of Sciences American Philosophical Society Ammonites Anamitic anfractibus Annual Report apparatus aqueous vapour Astronomical Boston Bruxelles caloric Chinese Church ciety Cochin Cochin China comet Committee communication containing costulatis deflagration dollars Dorchester Du Ponceau Dunglison E. P. Mason edition ences entitled Espy Geological Hare Haven heat Historical Society Hudson Obs'y Hugh Mercer hygrometer inches of zinc India inflatâ Isaac Lea John John Dunmore Lang Journal l'Ile Maurice Léopold de Buch Longitude magnetic Memoir mercury millions Naturelle de l'Ile nebula observations Observatory Oolitic ordered accordingly pairs paper Paris periphæriâ Philad Philadelphia Pleiadum Ponceau present President Proceedings Prof Professor Bache publication rarefaction referred remarks replete with aqueous reported in favour Royal Academy Royal Society Secretary Smith and Mason Société d'Histoire Naturelle Southwick Taylor's Theorem Testâ orbiculari thermometer tion tornado Vaughan Virginis Walker Washington wire Yale College York
Pasajes populares
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Página 223 - Two Reports on the Coal Lands, Mines, and Improvements of the Dauphin and Susquehanna Coal Company, and of the Geological Examinations, Present Condition, and Prospects of the Stony Creek Coal Estate...
Página 250 - Apprised of these consequences, knowing the value of national character, and impressed with a due sense of the immutable laws of justice and honor, it is impossible that. America should think without horror of such an execrable deed.
Página 209 - New York (State). Geological survey. Communication from the governor transmitting several reports relative to the geological survey of the state.
Página 219 - States; containing brief notices of the several states, cities, principal towns, canals, and rail roads, &c., with tables of distances, by stage, canal and steam boat routes ; the whole alphabetically arranged, with direct reference to the accompanying map of the roads, canals and railways of the United States.
Página 249 - ... the treasurers happened to have gold or silver, they were directed to advertise their readiness to exchange the same for paper; and some individuals, ardently patriotic, sent large sums of metallic money to the treasury, and received bills of credit in return at par. In the course of the year 1775, ten millions of dollars were emitted. The next year independence was declared, and some specie having been imported, the credit of the bills was well sustained ; and, in order to avoid interruption...
Página 225 - A discourse on the death of General Washington, late president of the United States: delivered on the 22d of February, 1800, in the church In Williamsburgh.
Página 241 - ... absorbed by the mercury as rapidly as this metal could be made to encroach upon the space occupied by the calorific particles. Admitting that, for equal weights, the specific heat of air is seven times as great as that of mercury, there could not have been a capacity greater than that of about 200...
Página 238 - ... until a thermometer in the axis of the receiver stood at three degrees below freezing, the hygrometer revolved towards dampness, until it went about ten degrees beyond the point at which it rested when the process commenced. It appears, therefore, that the dryness produced by the degree of rarefaction employed is more than counterbalanced by a freezing temperature. As respects the heat imparted to the air above mentioned, the fact, that the ultimate refrigeration in the case of air replete with...
Página 221 - Memorials of Columbus: or a Collection of Authentic Documents of that Celebrated Navigator, now first published from the Original Manuscripts, by Order of the Decurions of Genoa ; preceded by a Memoir of his Life and Discoveries. Translated from the Spanish and Italian.