Proceedings of the American Academy of Arts and Sciences, Volumen46Metcalf and Company, 1912 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Términos y frases comunes
1-vector Academy acid active Amer amperes angular velocity ants axis boghead C₁ calcium cyanamide calorimeter Camponotus Camponotus americanus cell cent centimeters chloride classes coefficient coil colony condenser condition corresponding curve cylinders determined diagram direction discharge effect electric electrodes electromotive force energy epigrams equation experiment Figure galvanometer given glass gram hardened heat inductance initial initial vector inscriptions JEFFERSON PHYSICAL LABORATORY joules LABORATORY magnetic maximum cyclic measurements mercury metal method neodymium Nernst effect nest o. c. circuit observations obtained ohms oscillations Pheidole plane plate polyp praseodymium pressure quantity queen reactance represented resistance resonance rotating self-induction shows soldiers solenoid solution species specimen steel surface TABLE tangent temperature tending the young thermo-electric tion transference number tube undamped vaporizer vector vector-diagram verses voltage volts Wheeler wire workers XLVI zero
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Página 202 - It would seem that at lower temperatures the line representing this relation must become concave upward, and it is hoped that in the near future it will be possible to...
Página 582 - Premium to the author of any important discovery or useful improvement in light or heat, which shall have been made and published by printing, or in any way made known to the public, in any part of the continent of America, or any of the American islands; preference always being given to such discoveries as, in the opinion of the Academy, shall tend most to promote the good of mankind...
Página 548 - Resolved, That it be recommended to the said assemblies, conventions, and councils or committees of safety, that they take the earliest measures for erecting and establishing, in each and every colony a society for the improvement of agriculture, arts, manufactures, and commerce, and to maintain a correspondence between such societies, that the rich and numerous natural advantages of this country, for supporting its inhabitants, may not be neglected...
Página 121 - This investigation has been aided by a grant from the Cyrus M. Warren Fund of the American Academy of Arts and Sciences, for which we wish to express our appreciation.
Página 13 - Cinis sum, cinis terra est, terra dea est ; Ergo ego mortua non sum. reason for rejecting them as epigrams in our sense of the word. They ought to be all the more carefully examined because they are few and treasured as the seeds from which the later epigram sprang. So in 68-70 we have early examples of satiric epigram. E. g. 69. Kal T<>8( ^rjfiaKuxnv • XlOt KOKOt • ofy 6 /1(V, Jt 8' 0V, ItdvTfS -\!/i
Página 169 - ... showed manganese 0.143 per cent, phosphorus 0.271 per cent, sulphur 0.012 per cent, carbon 0.01 per cent and "slag...
Página 391 - while adaptive characters in stature, sculpture, pilosity, and color must depend for their ontogenetic development on the nourishment of the larva, it is equally certain that they have been acquired and fixed during the phylogeny of the species. In other words, nourishment, temperature, and other environmental factors merely furnish the conditions for their attainment of characters predetermined by heredity." Wheeler feels that we are therefore "compelled to agree with Weismann that the characters...
Página 582 - American islands, during the preceding two years, on heat or on light; the preference always being given to such discoveries as shall, in the opinion of the Academy, tend most to promote the good of mankind.
Página 143 - CONTRIBUTIONS FROM THE RESEARCH LABORATORY OF PHYSICAL CHEMISTRY OF THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY. — No.
Página 393 - Ants and their Ways; with Illustrations, and an Appendix giving a Complete List of Genera and Species of British Ants. 2d Ed.