The Astrophysical Journal, Volumul 10University of Chicago Press, 1899 "Letters to the Editor" issued as Part 2 and separately paged from v. 148, 1967. Beginning in 2009, the Letters published only online. |
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Pagina 55
... widely from the mean of all are : 2907 ( Bolometer II , 450 ° , cavity with layer of copper oxide ) ; 2884 ( Bolometer III , 100.5 ° , cavity with layer of platinum - black ) . The first value is not entirely reliable , since it easily ...
... widely from the mean of all are : 2907 ( Bolometer II , 450 ° , cavity with layer of copper oxide ) ; 2884 ( Bolometer III , 100.5 ° , cavity with layer of platinum - black ) . The first value is not entirely reliable , since it easily ...
Pagina 63
... widely varying azi- muths , the precision of the results furnishes convincing evidence that these errors were well eliminated . On account of these precautions revi- sion was necessary in only 93 cases out of 432. A difference greater ...
... widely varying azi- muths , the precision of the results furnishes convincing evidence that these errors were well eliminated . On account of these precautions revi- sion was necessary in only 93 cases out of 432. A difference greater ...
Pagina 165
... widely for different kinds of plates is so generally known , that professional photographers give special orders to factories for " hard " or " soft " plates , each to be used for its appropriate . purpose . A further consideration of ...
... widely for different kinds of plates is so generally known , that professional photographers give special orders to factories for " hard " or " soft " plates , each to be used for its appropriate . purpose . A further consideration of ...
Pagina 208
... ( this JOURNAL , 2 , 316 , November 1895 ; 4 , 38 , June 1896 ) may be in order . It will be evident that the law may be departed from rather widely in the spectra of bodies which do not conform to 208 MINOR CONTRIBUTIONS AND NOTES.
... ( this JOURNAL , 2 , 316 , November 1895 ; 4 , 38 , June 1896 ) may be in order . It will be evident that the law may be departed from rather widely in the spectra of bodies which do not conform to 208 MINOR CONTRIBUTIONS AND NOTES.
Pagina 343
... widely disseminated , although in limited quantities . An important part of this problem is indeed accomplished in the recent large cata- logue of solar spectrum wave - lengths by Rowland ; in view of the fact , however , that many of ...
... widely disseminated , although in limited quantities . An important part of this problem is indeed accomplished in the recent large cata- logue of solar spectrum wave - lengths by Rowland ; in view of the fact , however , that many of ...
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absorption aperture apparatus appear astronomers ASTROPHYSICAL JOURNAL axis bands blackening Board of Visitors bolometer bright lines brighter camera carbon catalogue cents chromosphere cluster Coin comparison compound spectrum corona corresponding curve density determined diameter disk displacement eclipse electrodes employed equal error exposure faint stars Fe lacking focal length given gives Harvard College Observatory hydrogen lines inches instrument intensity investigation Keeler Lick Observatory light line of sight luminosity magnitude maximum mean measured mercury vapor Messier 13 metallic meteors micrometer mirror Morris Travers Naval Observatory objective observations obtained orbit oxygen photographs photometric Pickering plate position Potsdam pressure prism Professor radiation rays refractor region ring nebula Scheiner screw slit spark spectra spectrograph spectroheliograph spectroscope stellar telescope temperature tenth-meters tion trum tube University of Chicago Ursae vanadium Variable Stars Variable Velocity visual W. W. Campbell wave-lengths wedge Widely separated Yerkes Observatory
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Pagina 49 - EMGs were sampled with surface electrodes for ten revolutions at the beginning, in the middle and at the end of each work...
Pagina 272 - When an appointment or detail is to be made to the office of astronomical director, director of the Nautical Almanac, astronomer, or assistant astronomer, the board of visitors may recommend to the Secretary of the Navy a suitable person to fill such office, but such recommendation shall be determined only by a majority vote of the members present at a regularly called meeting of the board held in the city of Washington.
Pagina 197 - The officers of the Society shall consist of a President, two Vice Presidents, a Secretary...
Pagina 197 - Society to serve for a period of one year, and two members shall be chosen annually to serve for a period of two years or until their successors are duly elected and qualified.
Pagina 272 - The board of visitors shall prepare and submit to the Secretary of the Navy regulations prescribing the scope of the astronomical and other researches of the Observatory and the duties of its staff with reference...
Pagina 357 - PRINTERS AND BINDERS THE PRINTING OF BOOKS DEMANDING TASTE AND CAREFUL EXECUTION, PRIVATE EDITIONS, COLLEGE CATALOGUES AND ANNUALS A SPECIALTY. WE PRINT MORE FINE BOOKS THAN ALL OTHER HOUSES WEST OF NEW YORK. OUR NEW FACTORY, RUN ENTIRELY BY ELECTRICITY, IS THE MOST ADVANCED PRINTING PLANT IN THE COUNTRY. THE LAKESIDE PRESS BLDG., PLYMOUTH PLACE, COR. POLK, CHICAGO.
Pagina 384 - Sold in quart bottles only, by Druggists and high-class Grocers. Prepared only by Henry B. Platt, Platt Street, New York.