Proceedings of the American Academy of Arts and Sciences, Volumen1Metcalf and Company, 1848 |
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Página 69
... length , of a conical outline , its axis being directed towards the sun . The head of the comet is very irregular , its light is somewhat concentrated , but there is no well - defined nucleus , which circumstance in some degree affects ...
... length , of a conical outline , its axis being directed towards the sun . The head of the comet is very irregular , its light is somewhat concentrated , but there is no well - defined nucleus , which circumstance in some degree affects ...
Página 136
... rectilineal triangle is equal to two right angles . " Ax . The angle formed by two ( right ) lines is independent of the lengths of the lines . " Prop . 1. To express any side of a 136 PROCEEDINGS OF THE AMERICAN ACADEMY.
... rectilineal triangle is equal to two right angles . " Ax . The angle formed by two ( right ) lines is independent of the lengths of the lines . " Prop . 1. To express any side of a 136 PROCEEDINGS OF THE AMERICAN ACADEMY.
Página 137
... length ( considered as the unit of B A B length ) a , b , c times , then will the sides be expressed by a , b , c ; where it may be observed that a , b , c are positive , and that they may be integral or fractional , rational or surd ...
... length ( considered as the unit of B A B length ) a , b , c times , then will the sides be expressed by a , b , c ; where it may be observed that a , b , c are positive , and that they may be integral or fractional , rational or surd ...
Página 169
... length . " October 11th . The differences of right ascension this evening are somewhat uncertain , the altitude being too low for accurate obser- vations . " It seems necessary to remark , that the above places of the comet given by the ...
... length . " October 11th . The differences of right ascension this evening are somewhat uncertain , the altitude being too low for accurate obser- vations . " It seems necessary to remark , that the above places of the comet given by the ...
Página 183
... length in the comet - seeker of 4 - inch aperture . " Oct. 15th . The determinations of this evening are very indif- ferent . " From the Observations on the 7th , 11th , 14th , and 18th , Dr. Peirce has computed the following elements ...
... length in the comet - seeker of 4 - inch aperture . " Oct. 15th . The determinations of this evening are very indif- ferent . " From the Observations on the 7th , 11th , 14th , and 18th , Dr. Peirce has computed the following elements ...
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Términos y frases comunes
1st Limb 66 a2 Geminorum Academy adnate alpine apices apoth apothecia Aquarii Aquilæ Arctic America 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 lar A. R. h. m. 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 Rocks Sagittarii Schær Scorpii scyphi Seconds of Tabu setis side Sidereal Sirius species squamulose Tauri Tauri 66 thalline margin thallus triangle Trunks tube Tuckerm Uranus velocity ver's initial Virginis 66 White Mountains York
Pasajes populares
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 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 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 194 - Regents is a sufficient warrant for the prudence and good judgment which will watch over the general interests of the foundation; while the reputation of the Secretary and his assistant, the Librarian, is so well established in their respective departments, as to render any tribute from the committee entirely superfluous. All which is respectfully submitted by the committee. JAKED SPARKS. EDWAED EVERETT, (Chairman.) BENJAMIN PEIBCK. HENRY "W. LONGFELLOW. ABA GRAY. December 4th, 1847.
Página 188 - Each memoir presented to the Institution to be submitted for examination to a commission of persons of reputation for learning in the branch to which the memoir pertains; and to be accepted for publication only in case the report of this commission is favorable.
Página 33 - Etymologies are at present very uncertain; but such as they are, the old books would still preserve them, and etymologists would there find them. Words in the course of time change their meanings, as well as their spelling and pronunciation, and we do not look to etymology for their present meanings. If I should call a man a knave and a villain, he would hardly be satisfied with my telling him, that one of the words originally signified only a lad or servant; and the other an under-ploughman, or...
Página 29 - It is really deplorable,' as Sir William Jones, speaking of our alphabet, says, ' that our first step from total ignorance should be into gross inaccuracy, and that we should begin our education in English with learning to read the five vowels, two of which, as we are taught to pronounce them, are clearly diphthongs.'— Works, 1st ed., Vol.