Proceedings of the American Academy of Arts and Sciences, Volumen7Metcalf and Company, 1868 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 57
... Five hundred and fifty - ninth Meeting . December 12 , 1865. - MONTHLY MEETING . The PRESIDENT in the chair . A letter was read from Mr. Samuel Eliot in acknowl- edgment of his election into the Academy ; also letters rela- tive to ...
... Five hundred and fifty - ninth Meeting . December 12 , 1865. - MONTHLY MEETING . The PRESIDENT in the chair . A letter was read from Mr. Samuel Eliot in acknowl- edgment of his election into the Academy ; also letters rela- tive to ...
Página 68
... five years later , Reaumer , the most admirable of the observers of insect life , with the view of ascertaining how far such a form was an econom- ical one , proposed to Koenig the following problem , - " Of all hexago- nal cells ...
... five years later , Reaumer , the most admirable of the observers of insect life , with the view of ascertaining how far such a form was an econom- ical one , proposed to Koenig the following problem , - " Of all hexago- nal cells ...
Página 73
... five hundred cells , nearly all had a fourth face . The causes which lead to the introduction of the fourth face are chiefly two , irregularity in the size of the cells and incorrect align- ment of them on the two sides of the comb ...
... five hundred cells , nearly all had a fourth face . The causes which lead to the introduction of the fourth face are chiefly two , irregularity in the size of the cells and incorrect align- ment of them on the two sides of the comb ...
Página 83
... Five hundred and sixty - first Meeting . January 31 , 1866. STATUTE MEETING . The PRESIDENT in the chair . - The Corresponding Secretary read letters from Prof. Tayler Lewis , Mr. L. M. Rutherfurd , Dr. J. W. Draper , Mr. G. W. Hill ...
... Five hundred and sixty - first Meeting . January 31 , 1866. STATUTE MEETING . The PRESIDENT in the chair . - The Corresponding Secretary read letters from Prof. Tayler Lewis , Mr. L. M. Rutherfurd , Dr. J. W. Draper , Mr. G. W. Hill ...
Página 91
... five hundredths of one per cent of hydrogen , must be considered as an extreme case , and does not prove the process a good one for other classes of substances . The next step , therefore , was to determine whether the process would be ...
... five hundredths of one per cent of hydrogen , must be considered as an extreme case , and does not prove the process a good one for other classes of substances . The next step , therefore , was to determine whether the process would be ...
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Pasajes populares
Página 130 - The Vegetable Kingdom, or the Structure, Classification, and Uses of Plants, illustrated upon the Natural System.
Página 496 - Two reports have recently been issued on rates of deck watches and of box and pocket chronometers on trial for purchase by the Board of Admiralty at the Royal Observatory, Greenwich, in the latter half of last year.
Página 16 - Report of the Astronomer Royal to the Board of Visitors of the Royal Observatory, Greenwich, read at the Annual Visitation of the Royal Observatory, 1860, June 2; and Address of the Astronomer Royal to the Board of Visitors, 1860, May 12.
Página 26 - Statistics of the Foreign and Domestic Commerce of the United States. .... Communicated by the Secretary of the Treasury, in Answer to a Resolution of the Senate of the United States, March 12, 1863.
Página 28 - An address delivered at the anniversary meeting of the Geological Society of London, on the 19th of February, 1841 ; and the announcement of the award of the Wollaston medal and donation fund for the same year.
Página 507 - ANNUAIRE DE CHIMIE, comprenant les applications de cette science à la médecine et à la pharmacie, ou Répertoire des découvertes et des nouveaux travaux en chimie faits dans les diverses parties de l'Europe ; par MM. E.
Página 311 - THE GEOLOGY OF PENNSYLVANIA: A Government Survey ; with a General View of the Geology of the United States, Essays on the Coal- Formation and its Fossils, and a Description of the Coal-Fields of North America and Great Britain.
Página 13 - Report to the Legislature of Massachusetts relating to the Registry and Return of Births, Marriages and Deaths in the Commonwealth for the year ending December 31, 1880.
Página 14 - Annual Report of the Trustees of the Museum of Comparative Zoology at Harvard College, in Cambridge, together with the Report of the Director, 1864.
Página 47 - ... cylinders, welded together endwise. Each ring was made of bars wound upon an arbor spirally, like winding a ribbon upon a block, and, being welded and shaped in dies, were joined endwise, when in the furnace and at a welding heat, and afterwards pressed together in a mould, by a hydrostatic press of 1,000 tons force.