Proceedings of the American Academy of Arts and Sciences, Том 48Metcalf and Company, 1913 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
Из књиге
Резултати 1-5 од 63
Страница 29
... field of vision at two meters distance would deliver about 1000 ergs per second of ultra violet per square cm . , which is in excess of the greatest amount which would be given at this distance by any of the artificial sources of light ...
... field of vision at two meters distance would deliver about 1000 ergs per second of ultra violet per square cm . , which is in excess of the greatest amount which would be given at this distance by any of the artificial sources of light ...
Страница 32
... fields remote from those in which his father had labored , but indulgent fates brought him back to the natural sciences and here he remained for that part of his activities in which he found his highest satisfaction . He had lived all ...
... fields remote from those in which his father had labored , but indulgent fates brought him back to the natural sciences and here he remained for that part of his activities in which he found his highest satisfaction . He had lived all ...
Страница 37
... fields he pledged to the support of the Museum after he had satisfied the reasonable requirements of his family , but of his own labors he made no reservation . The Museum had all that he could bestow . On the pages of the quinquennial ...
... fields he pledged to the support of the Museum after he had satisfied the reasonable requirements of his family , but of his own labors he made no reservation . The Museum had all that he could bestow . On the pages of the quinquennial ...
Страница 100
... field of the microscope the lower orders lay at the left , the higher at the right . Zinc 4810. Upon starting the arc after a fresh piece of zinc was put in , the whole field resembled that of a polychromatic source , except that the ...
... field of the microscope the lower orders lay at the left , the higher at the right . Zinc 4810. Upon starting the arc after a fresh piece of zinc was put in , the whole field resembled that of a polychromatic source , except that the ...
Страница 101
... field showed no structure , then followed the fluting , then there appeared three lines , the right and left strong , the central one weak and diffuse . Finally the left component disappeared , the central one became as intense as its ...
... field showed no structure , then followed the fluting , then there appeared three lines , the right and left strong , the central one weak and diffuse . Finally the left component disappeared , the central one became as intense as its ...
Друга издања - Прикажи све
Чести термини и фразе
2-vector Abietineous Agathis angle antheridia apex appear Araucarian axes axis bars of Sanio basal cell become Boston branches bulbils Cambridge central cells chlamydospores coil compressibility conidia Conifers cultures curve determined diameter Diels dimensional distally distinguished ectoderm equations Figure genus geometry Heraclitus hyaline hyphae inner product k₁ lamp lateral length to tip method motion mycelium nematocysts nilpotent number system obtained outer outer product Papulospora particle perithecium perpendicular pitting plane planoid Plate polyp pressure primary appendage primordium pyrosulphuryl chloride quartz radiation rays reactance receptacle resin canals S₁ Sanio scalar silicon silicon tetrachloride singular vector slightly space species spores stalk-cell stomodaeum sub system subbasal cell subtended suffused temperature terminal tion tip of perithecium Total length tracheids tube ultra violet usually velocity wood zero δὲ καὶ Σ Σ τὰ τὸ τοῦ τῶν
Популарни одломци
Страница 774 - Statuary and casts of sculpture for use as models or for art educational purposes only; regalia and gems, where specially imported in good faith for the use and by order of any society incorporated or established solely for religious, philosophical, educational, scientific, or literary purposes, or for the encouragement of the fine arts, or for the use and by order of any college, academy, school, seminary of learning, orphan asylum, or public hospital in the United States, or any State or public...
Страница 44 - THE wisest man could ask no more of Fate Than to be simple, modest, manly, true, Safe from the Many, honored by the Few ; To count as naught in World, or Church, or State, But inwardly in secret to be great...
Страница 817 - Chap, ii.; chap. vi. art. 1; chap. ix. art. 1. CHAPTER IV OFFICERS ARTICLE 1. The Officers of the Academy shall be a President (who shall be Chairman of the Council), three Vice-Presidents (one from each Class), a Corresponding Secretary (who shall be Secretary of the Council), a Recording Secretary, a Treasurer, and a Librarian, all of whom shall be elected by ballot at the Annual Meeting, and shall hold their respective offices for one year, and until others are duly chosen and installed. There...
Страница 774 - Works of art, collections in illustration of the progress of the arts, sciences, or manufactures, photographs, works in terra cotta, parían, pottery, or porcelain, antiquities and artistic copies thereof in metal or other material...
Страница 774 - State or by any society or institution established for the encouragement of the arts, science, or education, or for a municipal corporation, and all like articles imported in good faith by any society or association, or for a municipal corporation for the purpose of erecting a public monument, and not intended for sale, nor for any other purpose than herein expressed...
Страница 44 - Kings and ambitious noblemen have in other lands and other times been patrons of learned societies and have provided sumptuous accommodations for them. Our house is believed to be the only abode of a scientific society built by a member of the body and devoted to the unrestricted uses of his fellows. If Agassiz had lived to see the completion of this house, it is safe to say that neither his name not his features would have appeared upon these walls. What his singular modesty would have forbidden...
Страница 35 - If we can say that we now know the physical and biological conditions of the great ocean basins in their broad general outlines — and I believe we can do so — the present state of our knowledge is due to the combined work and observations of a great many men belonging to many nationalities, but most probably more to the work and inspiration of Alexander Agassiz than to any other single man.
Страница 774 - Treasury may prescribe, for the payment of lawful duties which may accrue should any of the articles aforesaid be sold, transferred, or used contrary to this provision, and such articles shall be subject, at any time, to examination and inspection by the proper officers of the customs : Provided, That the privileges of this and the preceding section shall not be allowed to associations or corporations engaged in or connected with business of a private or commercial character.
Страница 713 - ... cum semel institerunt vestigia certa viai, sic alid ex alio per te tute ipse videre talibus in rebus poteris caecasque latebras insinuare omnis et verum protrahere inde. quod si pigraris paulumve recesseris ab re, 410 hoc tibi de plano possum promittere, Memmi : usque adeo largos haustus e fontibu...
Страница 774 - Congress. 501. Books, maps, music, engravings, photographs, etchings, bound or unbound, and charts, which shall have been printed more than twenty years at the date of importation, and all hydrographic charts, and publications issued for their subscribers or exchanges by scientific and literary associations or academies, or publications of individuals for gratuitous private circulation, and public documents issued by foreign Governments.