Nature, Volume 57Sir Norman Lockyer Macmillan Journals Limited, 1897 |
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Página 443
... photography had great possi- bilities before it as a delineator of nebulæ . Encouraged by the tangible fruits of his labour , Dr. Draper took a number of photographs of Orion's nebula , and in March 1881 obtained a picture showing stars ...
... photography had great possi- bilities before it as a delineator of nebulæ . Encouraged by the tangible fruits of his labour , Dr. Draper took a number of photographs of Orion's nebula , and in March 1881 obtained a picture showing stars ...
Página 445
... photographs recently taken by Mr. W. E. Wilson , F.R.S. , and exhibited at the Royal Astronomical Society , that the time of exposure needed by the photographic plate to depict the greater part of the Orion . nebula may be considerably ...
... photographs recently taken by Mr. W. E. Wilson , F.R.S. , and exhibited at the Royal Astronomical Society , that the time of exposure needed by the photographic plate to depict the greater part of the Orion . nebula may be considerably ...
Página 564
... photographs . When the amount of clay in the model , and the scale of the photograph from which the necessary measurements have been taken are both known , the capacity of the ship is at once determined . In this particular instance ...
... photographs . When the amount of clay in the model , and the scale of the photograph from which the necessary measurements have been taken are both known , the capacity of the ship is at once determined . In this particular instance ...
Índice
the Rinderpest Germ MM Nencki Sieber and Arctic Regions | 150 |
Moreau G Magnetic Torsion of Iron and Steel 524 SavilleKent 341 the Habits of IceSeals 346 Bulletin | 326 |
mining Vertical J Perchot and W Ebert 191 the Col | 430 |
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