Nature, Količina 54Sir Norman Lockyer Macmillan Journals Limited, 1896 |
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Zadetki 1–3 od 74
Stran 37
... exhibited by Captain Abney , C. B. , F.R.S. , it becomes possible to throw on a screen , or on a photographic plate , the image of a luminous object in monochromatic light . An image is first formed on the face of a prism or grating by ...
... exhibited by Captain Abney , C. B. , F.R.S. , it becomes possible to throw on a screen , or on a photographic plate , the image of a luminous object in monochromatic light . An image is first formed on the face of a prism or grating by ...
Stran 38
... exhibited a geological map of part of British East Africa , with sketches , sections and specimens . The map showed the main features in the structure of British East Africa , The region consists of a plateau of Archean rocks ( gneiss ...
... exhibited a geological map of part of British East Africa , with sketches , sections and specimens . The map showed the main features in the structure of British East Africa , The region consists of a plateau of Archean rocks ( gneiss ...
Stran 160
... exhibited by Captain D. Wilson - Barker ; and Mr. F. H. Worsley - Benison exhibited a series of seascape photo- graphs . The photographs were enlargements in carbon . The whole picture in each subject was the result of one exposure only ...
... exhibited by Captain D. Wilson - Barker ; and Mr. F. H. Worsley - Benison exhibited a series of seascape photo- graphs . The photographs were enlargements in carbon . The whole picture in each subject was the result of one exposure only ...
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Academy acid alloys alternating current aluminium Amphipoda animals apparatus appears astronomical birds British carbon cells character chemical chemistry chromosphere College colour Committee connection contains Council Crustacea described effect electric engineering exhibited expedition experiments fact Geological give given illustrated important increase Institution interesting investigation J. J. Thomson Joseph Lister June kathode laboratory large number larvæ light London Lord Kelvin magnetic mathematical matter means measures ment metal meteorological method metric system mineral Museum Natural History Nicaragua Canal object observations Observatory obtained paper phosphorescent photographs physical plate present President produced Prof Professor published recent referred remarkable researches Röntgen rays Royal Society schools scientific South South Africa species specimens stars surface temperature theory tion tourmaline tube University University of Glasgow variation velocity volume