Proceedings of the American Academy of Arts and Sciences, Volumen1Metcalf and Company, 1848 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
Dentro del libro
Resultados 6-10 de 12
Página 318
... cone , instead of being flat as in Cisalpin's , was also a trun- cated cone , but differing in its proportions from that forming the chimney - top . This arrangement , which is here figured from Saint Martin's memoir , was examined and ...
... cone , instead of being flat as in Cisalpin's , was also a trun- cated cone , but differing in its proportions from that forming the chimney - top . This arrangement , which is here figured from Saint Martin's memoir , was examined and ...
Página 319
... cone divided into three cones of equal height by planes parallel to the two surfaces ; two smaller cones , " Smallest cone , Exp . 16. Truncated cone , diameter of lower surface 2.1 inches ; height .35 inch ; diameter of flue and upper ...
... cone divided into three cones of equal height by planes parallel to the two surfaces ; two smaller cones , " Smallest cone , Exp . 16. Truncated cone , diameter of lower surface 2.1 inches ; height .35 inch ; diameter of flue and upper ...
Página 320
... cone without plate , . 66 Exp . 22. Saint - Martin's cone without the cap ; Time in Velocity per Seconds . Second . Feet . 33.0 1.61 • 31.0 1.71 to the upper surface and around the opening a hollow • ⚫ truncated cone is fitted ; height ...
... cone without plate , . 66 Exp . 22. Saint - Martin's cone without the cap ; Time in Velocity per Seconds . Second . Feet . 33.0 1.61 • 31.0 1.71 to the upper surface and around the opening a hollow • ⚫ truncated cone is fitted ; height ...
Página 321
... cone , with its apex turned toward the blast , " Same , with its axis making , horizontally , an an- gle of 35 ° with the direction of the blast , 51.0 1.039 • • 31.0 1.71 " Same ; axis making an angle of 15 ° with the blast , 30.0 1.77 ...
... cone , with its apex turned toward the blast , " Same , with its axis making , horizontally , an an- gle of 35 ° with the direction of the blast , 51.0 1.039 • • 31.0 1.71 " Same ; axis making an angle of 15 ° with the blast , 30.0 1.77 ...
Página 322
... cone and cap ( see fig . 6 ) , with its axis parallel with the blast ; blast directly upon the top of the cap , 19.7 2.69 29.0 1.83 " Exp . 43. Cone of 45 ° , with flat plate ( fig . 9 ) , axis parallel with the blast , as in preceding ...
... cone and cap ( see fig . 6 ) , with its axis parallel with the blast ; blast directly upon the top of the cap , 19.7 2.69 29.0 1.83 " Exp . 43. Cone of 45 ° , with flat plate ( fig . 9 ) , axis parallel with the blast , as in preceding ...
Otras ediciones - Ver todas
Términos y frases comunes
1st Limb 66 Academy adnate alpine angle apices apoth apothecia Aquarii Aquilæ Arctic America Arietis 66 becoming at length blast Cancri Capella Capricorni cartilagineous Ceti comet cone convex crust Cygni D's 1st Limb D's 2d Limb diameter Diff disk England fertile fibrillose Floerk foliaceous Fomalhaut fuscescent fuscous Geminorum 66 glaucescent Halsey Herb Hoffm Hook Hydræ hypothallus inches laciniæ Lecidea Leonis 66 Leverrier Libræ Lich Lichen Lichenogr lobes Lyræ membranaceous Meridian Passage Muhl naked Name of Object Neptune Northward to Arctic observations Observatory Ophiuchi orbit Orionis 66 pamph Parmelia Pegasi Pennsylvania Piscium 66 planet podetia Procyon Professor Peirce Rich Rocks Sagittarii Schær Schar Scorpii scyphi Seconds of Tabu setis side Sidereal sign-words Sirius species squamulose strong breezes Tauri 66 thalline margin thallus thin triangle Trunks tube Tuckerm Uranus velocity ver's initial White Mountains York
Pasajes populares
Página 187 - To INCREASE KNOWLEDGE. It is proposed — 1. To stimulate men of talent to make original researches, by offering suitable rewards for memoirs containing new truths; and, — 2. To appropriate annually a portion of the income for particular researches, under the direction of suitable persons.
Página 188 - The volumes of the memoirs to be exchanged for the transactions of literary and scientific societies, and copies to be given to all the colleges and principal libraries in this country. One part of the remaining copies may be offered for sale ; and the other carefully preserved, to form complete sets of the work, to supply the demand from new institutions.
Página 191 - The emphasis upon publications as a means of diffusing knowledge was expressed by the first Secretary of the Smithsonian Institution. In his formal plan for the Institution, Joseph Henry articulated a program that included the following statement: "It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge not strictly professional.
Página 188 - ... 3. The results obtained from these appropriations to be published: with the memoirs before mentioned, in the volumes of the Smithsonian Contributions to Knowledge.
Página 345 - Map of the Mineral Lands adjacent to Lake Superior, ceded to the United States by the Treaty of 1842 with the Chippewas.
Página 191 - LITERATURE AND THE FINE ARTS. 9. Modern literature. 10. The fine arts, and their application to the useful arts. 11. Bibliography. 12. Obituary notices of distinguished individuals.
Página 29 - Such is the state of our language,' says Sheridan, a man certainly not prejudiced against his native tongue, ' that the darkest hieroglyphics, or most difficult ciphers that the art of man has hitherto invented, were not better calculated to conceal the sentiments of those...
Página 156 - On three several Hurricanes of the Atlantic, and their Relations to the Northers of Mexico and Central America, with Notices of other Storms.
Página 189 - Solution of experimental problems, such as a new determination of the weight of the earth, of the velocity of electricity and of light; chemical analyses of soils and plants; collection and publication of articles of science, accumulated in the offices of government.
Página 157 - FLS On the Growth of Plants in closely glazed Cases. 8vo. London, 1842. From the Author. Two hundred and ninety-sixth Meeting. May 25, 1847. — ANNUAL MEETING. The PRESIDENT in the chair. A communication was received, through Mr. Bowen, from Mr. John B. Williams, US Consul at Russell, Bay of Islands, New Zealand, being a meteorological register kept at that place, by Mr. Williams, as follows : — METEOROLOGICAL REGISTER Kept at Russell, New Zealand, from April 24/A, 1843, to Aug.