Proceedings of the American Academy of Arts and Sciences, Volumen2

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Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell.

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Página 180 - A mixture of hydrogen (an inflammable gas) with oxygen (an ingredient of atmospheric air), in the proportion of two volumes of the former to one of the latter, is eminently explosive.
Página 232 - Philadelphia, 1848-49. From the Academy. Third Annual Report of the Regents of the University, of the Condition of the State Cabinet of Natural History, and the Historical and Antiquarian Collections annexed thereto. (State Document.) 1850. 8vo. From the Regents of the New York University. Memoires de la Socie'te de Physique et d'Histoire Naturelle de Geneve. Tom. XII., 1
Página 269 - It was voted that a committee of five be appointed by the Chair to promote and co-operate in the development of printed catalog cards In relation with international arrangements.
Página 153 - A Eulogy on the Life and Character of John Quincy Adams, delivered at the Request of the Legislature of Massachusetts, in Faneuil Hall, April 15, 1848.
Página 277 - Read before the Association of Medical Superintendents of American Institutions for the Insane, at Boston, June, 1850.
Página 229 - Reports from the Secretary of the Treasury, of scientific investigations in relation to sugar and hydrometers, made, under the superintendence of Prof.
Página 160 - Mathematica ; or a Collection of Treatises on the Mathematics and Subjects connected with them, from ancient inedited MSS. by JO HALLIWELL, 8vo. SECOND EDITION, cloth, 3...
Página 135 - August, and from them he infers ' that the changes in the elevation of the waters are entirely too variable to be traced to any regular permanent cause, and that consequently there is no perceptible tide at Green Bay which is the result of observation. And such, it appears to me, is the result of calculation, when the laws that regulate solar and lunar attraction are taken into view.
Página 135 - The phenomena occurred about noon. The day was calm, but cloudy. The water retired suddenly, leaving the bed of the river bare, except for a distance of thirty rods, and remained so for nearly an hour.
Página 137 - Beche, a sudden impulse given to the particles of water, either by suddenly increased or diminished pressure, would cause a perpendicular rise or fall, in the manner of a wave, beyond the height or depth strictly due to the mere weight itself. The difference in the specific gravity of the water of the lakes * American Journal of Science, Vol.

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