Proceedings of the American Academy of Arts and Sciences, 第 2 卷Metcalf and Company, 1852 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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第 153 頁 - Annual Report of the Regents of the University of the State of New York, on the Condition of the State Cabinet of Natural History, and the Historical and Antiquarian Collection annexed thereto.
第 227 頁 - Reports from the Secretary of the Treasury, of scientific investigations in relation to sugar and hydrometers, made, under the superintendence of Prof.
第 267 頁 - 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.
第 158 頁 - 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...
第 133 頁 - 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.
第 133 頁 - 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.
第 274 頁 - Academy of Natural Sciences of Philadelphia. Journal of the Academy of Natural Sciences of Philadelphia. New Series. Vol. II. Part. I. 4to.
第 131 頁 - Mackenzie,! who wrote in 1789, remarks : — ' A very curious phenomenon was observed at the Grand Portage on Lake Superior, for which no obvious cause could be assigned. The water withdrew with great precipitation, leaving the ground dry which had never before been visible, the fall being equal to four perpen* Transactions of the JVew York Literary and Philosophical Society, Vol.
第 266 頁 - Voted, to proceed to the choice of officers for the ensuing year.
第 98 頁 - The green plants, so called, and animalcule which evolve oxygen, are abundant in open waters in warm weather only, and of course when the capacity of water to retain air in solution is lowest; so that, although oxygen is produced in open waters by these microscopic organisms, it does not increase the' vigor of their action upon lead.