Technology Quarterly and Proceedings of the Society of Arts, Volume 12The Institute, 1899 - Industrial arts Vol. 8-14 include "Review of American chemical research" edited by Arthur A. Noyes. |
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Page 260 - Survey, and the classification of the public lands and examination of the Geological Structure, mineral resources and products of the national domain...
Page 261 - The public lands shall be divided by north and south lines run according to the true meridian, and by others crossing them at right angles, so as to form townships of six miles square...
Page 260 - THE COAST AND GEODETIC SURVEY. The Coast and Geodetic Survey is charged with the survey of the Atlantic, Gulf, and Pacific coasts of the United States, including the...
Page 261 - ... and that the corners of the townships thus surveyed "must be marked with progressive numbers from the beginning." Also, that the townships shall be subdivided into thirty-six sections, each of which shall contain six hundred and forty...
Page iii - THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY. The objects of this Society are to awaken and maintain an active interest in the practical sciences, and to aid generally in their advancement and development in connection with arts, agriculture, manufactures, and commerce.
Page 272 - Ss3, or the hour angle at the instant of observation ; similar relations will obtain when the star is observed in any other position; therefore, in general: Subtract the time of Upper Culmination from the correct local mean time of observation; the remainder will be the Hour Angle of Polaris expressed in time, or the "argument for Table VII.
Page 35 - Sci., 156, 305315. — A third locality of igneous rocks in the Central Appalachian region has recently been discovered by Mr. Darton. Both basic and acidic dikes are represented, the latter belonging to the granite family and most nearly resembling felsophyre. Petrographic descriptions of both types are given by Mr. Keith, supplemented by an analysis of the felsophyre by WF Hillebrand. Causes of Variation in the Composition of Igneous Rocks. BY TL WALKER. Am. J. Set., 156, 410-415.
Page 260 - ... of Alaska; the survey of rivers to the head of tide-water or ship navigation; deep-sea soundings, temperature and current observations along the said coasts and throughout the Gulf Stream and Japan Stream flowing off from them; magnetic observations and gravity research; determinations of heights by geodetic leveling, and of geographical positions by lines of transcontinental triangulation, which, with other connecting triangulations and...
Page 17 - ... a second a dc. distribution in the earth, and a third an ac. distribution in the earth, are discussed in the light of the experimental results. While none of these is adequate to explain all the observed phenomena, each has a field in which it can be made useful. The second part of the paper is devoted to a description of practical means for predetermining the mutual impedances of power and telephone lines. This involves an experimental determination of a curve of mutual impedance as a function...
Page v - ... that the substance of the proposed amendment shall have been stated in the notice of the meeting of the Society at which such amendment shall finally be acted upon: and that not less than two-thirds of the members present at such meeting shall concur in its adoption.