Proceedings of the American Academy of Arts and Sciences, Volum 30Metcalf and Company, 1895 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
Altres edicions - Mostra-ho tot
Proceedings of the American Academy of Arts and Sciences, Volum 42 American Academy of Arts and Sciences Visualització completa - 1907 |
Proceedings of the American Academy of Arts and Sciences, Volum 43 American Academy of Arts and Sciences Visualització completa - 1908 |
Proceedings of the American Academy of Arts and Sciences, Volum 44 American Academy of Arts and Sciences Visualització completa - 1909 |
Frases i termes més freqüents
acetic alcohol ammonia antennæ antimony apical pair basal benzol blastodermic vesicle boiling bolometer c.cm C₁ calcaria carbon cells Cerci CEUTHOPHILUS Chem chloride chloroform color compound crystals dilute dissolved distal ectoderm embryos ester ether fore femora formed formula front carina fulminate fulminic acid fuscous genicular spine germinal disk gram gram gave gram substance H₂O half as long heat hemiacetal hind carina hind femora Hind tibiæ hydrobromic acid hydrochloric acid inner carina inner middle calcaria intervening sulcus less liquid long as broad longer luteous margin melting mercury methyl Middle femora molecule nearly nitromethane obtained outer carina ovipositor oxide perithecium phenylate Plate posterior precipitate Professor Cooke pronotum quinone raised points sections silver silver fulminate slender sodic sodic ethylate sodic hydrate sodium salt soluble solution species spurs stout subapical spine substance gave sulphuric acid tapering tarsi temperature tibia tibial depth tion tube twice as long wire
Passatges populars
Pàgina 567 - A Course of Instruction in the Elements of the Art and Science of War, for the Use of the Cadets of the United States Military Academy, West Point, NY 12mo, cloth $1 .75 Field Fortifications.
Pàgina 406 - ... in the proportion of two molecules of the former to one of the latter, the...
Pàgina 219 - The discharge, whatever may be its nature, is not correctly represented (employing for simplicity the theory of Franklin) by the single transfer of an imponderable fluid from one side of the jar to the other...
Pàgina 306 - The annular zone according to Hubrecht does not arise until after the first stages in the development of the primitive streak, and therefore is a later differentiation in the hypoblast than is the protochordal plate. Concerning this third source there has been much dispute. Bonnet ('84) has found it in the sheep, and Robinson ('92) in the rat and the mouse. But many authors find no evidence of such an origin for any part of the mesoderm, as, for example, Kolliker ('82), Heape ('83), Fleischmann ('89),...
Pàgina 506 - A brief statement, not to exceed eight or ten lines, to be prepared by the author himself, setting forth the general purport of the book or article so as to furnish the necessary data for cross references.
Pàgina 219 - ... equilibrium is obtained. All the facts are shown to be in accordance with this hypothesis, and a ready explanation is afforded by it of a number of phenomena which are to be found in the older works on electricity, but which have until this time remained unexplained.
Pàgina 556 - And he shakes his feeble head, That it seems as if he said, "They are gone." The mossy marbles rest On the lips that he has pressed In their bloom, And the names he loved to hear 198 Have been carved for many a year On the tomb.
Pàgina 220 - If we replace the copper wire previously used (diam. 1 mm.) by a thicker or a thinner copper wire, or by a wire of another metal, the nodal points are found to remain in the same positions. Thus the rate of propagation in all such wires is the same, and we are justified in speaking of it as a definite velocity. Even iron wires are no exceptions to this general rule ; hence the magnetic properties of the iron are not called into play by such rapid disturbances.
Pàgina 73 - ... more than twice as long as the others or as the spurs, but scarcely so long as the first, tarsal joint. Hind tarsi two fifths as long as the tibiae, the first joint about as long as the rest together, the second nearly three times as long as the third and with it fully as long as the fourth.