Report of the National Academy of Sciences |
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Page 10
In 1885 fifty thousand such comparisons were made , and in 1884 twenty - seven
thousand five hundred . A comparison of the Cambridge results with those
obtained at Pulkowa shows that the average deviation of a measurement of the ...
In 1885 fifty thousand such comparisons were made , and in 1884 twenty - seven
thousand five hundred . A comparison of the Cambridge results with those
obtained at Pulkowa shows that the average deviation of a measurement of the ...
Page 12
The first included a general survey of stellar spectra , each spectrum being
photographed with an exposure of not less than five minutes . These
photographs generally exhibited the spectra of all stars brighter than the sixth
magnitude with ...
The first included a general survey of stellar spectra , each spectrum being
photographed with an exposure of not less than five minutes . These
photographs generally exhibited the spectra of all stars brighter than the sixth
magnitude with ...
Page 13
In this way the length of the spectrum is increased only five times , while its width
is increased nearly one hundred , i . e . , from one millimeter to about four inches .
This arrangement greatly reduces the difficulty arising from the feeble light of ...
In this way the length of the spectrum is increased only five times , while its width
is increased nearly one hundred , i . e . , from one millimeter to about four inches .
This arrangement greatly reduces the difficulty arising from the feeble light of ...
Page 15
It was also proved that the paths in which the meteors are moving about the sun
must be one of five sharply - defined orbits . A method of deciding which of these
was the true one was suggested . Professor Adams , of Cambridge ( England ) ...
It was also proved that the paths in which the meteors are moving about the sun
must be one of five sharply - defined orbits . A method of deciding which of these
was the true one was suggested . Professor Adams , of Cambridge ( England ) ...
Page 29
Nominations of members may be made in writing , signed by any five members of
the Academy , at any stated session , to be voted on at the next stated session
held in Washington , and each nomination shall , at the time of election , be ...
Nominations of members may be made in writing , signed by any five members of
the Academy , at any stated session , to be voted on at the next stated session
held in Washington , and each nomination shall , at the time of election , be ...
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Academy of Sciences accepted accounts adopted amended annual appointed appropriations approved April arrangements authorized Bache Balance ballot BILLINGS bonds called Cambridge cent Chairman CHANDLER CHARLES committee Congress Conn constitution council death Department designated determine direction Discussed Draper duty EDWARD elected five foreign associates forest fund GEORGE Gibbs Gill Gould Government Hall Haven held Henry hereby Hilgard home secretary income incorporate interest Invested JAMES JOHN Joseph July lands loan March Marsh Mass Massachusetts measure medal meeting members present membership memoirs National Academy necessary NEWCOMB nomination November observations officers Pennsylvania person Philadelphia present president printing Prof proposed receive recommendation referred Remsen request reserve Rogers rules scientific Sept session Smith stars submitted timber tion treasurer trust United votes Washington Watson Wolcott York City
Popular passages
Page 6 - States as may be designated, and the Academy shall, whenever called upon by any -Department of the Government, investigate, examine, experiment, and report upon any subject of science or art, the actual expense of such investigations, examinations, experiments, and reports to be paid from appropriations which may be made for the purpose, but the Academy shall receive no compensation whatever for any services to the Government of the United States.
Page 21 - United States Navy, District of Columbia; AA Gould, Massachusetts; BA Gould, Massachusetts; Asa Gray, Massachusetts; A. Guyot, New Jersey; James Hall, New York; Joseph Henry, at large; JE Hilgard, at large, Illinois; Edward Hitchcock, Massachusetts; JS Hubbard, United States Naval Observatory, Connecticut; AA Humphreys, United States Army, Pennsylvania; JL Le Conte, United States Army, Pennsylvania; J. Leidy, Pennsylvania; JP Lesley, Pennsylvania; MF...
Page 5 - That the National Academy of Sciences shall consist of not more than fifty ordinary members, and the said corporation hereby constituted shall have power to make its own organization, including its constitution, by-laws, and rules and regulations; to fill all vacancies created by death, resignation, or otherwise; to provide for the election of foreign and domestic members, the division Into classes, and all other matters needful or usual in such institution, and to report the same to Congress.
Page 8 - CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Page 23 - Silliman, junior, Connecticut; Theodore Strong, New Jersey; John Torrey, New York; JG Totten, United States Army, Connecticut; Joseph Winlock, United States Nautical Almanac, Kentucky; Jeffries Wyman, Massachusetts; JD Whitney, California; their associates and successors duly chosen, are hereby incorporated, constituted, and declared to be a body corporate, by the name of the National Academy of Sciences.
Page 39 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Page 40 - ... international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
Page 8 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere, and which is represented sufficiently well for practical use by \\\% of the electromotive force between the poles or electrodes of the voltaic cell known as Clark's cell, at a temperature of 15° C., and prepared in the manner described in the accompanying specification...
Page 71 - That said public park shall be under the exclusive control of the Secretary of the Interior, whose duty it shall be, as soon as practicable, to make and publish such rules and regulations as he may deem necessary or proper for the care and management of the same.
Page 72 - ... of all timber, mineral deposits, natural curiosities, or wonders within said park, and their retention in their natural condition. The Secretary may, in his discretion, grant leases for building purposes, for terms not exceeding twenty-five years, of small parcels of ground at such places in said park as shall require the erection of buildings for the accommodation of visitors...
Bibliographic information
| Title | Report of the National Academy of Sciences |
| Author | National Academy of Sciences (U.S.) |
| Publisher | U.S. Government Printing Office, 1890 |
| Original from | the University of Michigan |
| Digitized | 16 Oct 2006 |
| Export Citation | BiBTeX EndNote RefMan |