Nature, Količina 108Sir Norman Lockyer Macmillan Journals Limited, 1921 |
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Zadetki 1–3 od 70
Stran 109
... Optical Instruments , embodying the Results of Scientific Researches conducted in German Optical Workshops . Edited by M. von Rohr . ( Forming vol . 1 of " The Theory of Optical Instruments . " ) Translated by R. Kanthack . Pp . xxiii + ...
... Optical Instruments , embodying the Results of Scientific Researches conducted in German Optical Workshops . Edited by M. von Rohr . ( Forming vol . 1 of " The Theory of Optical Instruments . " ) Translated by R. Kanthack . Pp . xxiii + ...
Stran 239
... optical world the necessity for new glasses by means of which different optical instruments could be brought to much higher efficiency ; this feat having once been accomplished , the interest of the manu- facturing optician and the ...
... optical world the necessity for new glasses by means of which different optical instruments could be brought to much higher efficiency ; this feat having once been accomplished , the interest of the manu- facturing optician and the ...
Stran 240
... optical glass manufacturers on the other ? The very presence in a country of an optical glass factory focusses interest on , and enlarges the conceptions of , the research problems connected with optical glass and its applications to ...
... optical glass manufacturers on the other ? The very presence in a country of an optical glass factory focusses interest on , and enlarges the conceptions of , the research problems connected with optical glass and its applications to ...
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BarrettHamilton and M A C Hinton | 21 |
42s | 266 |
ROYAL AERONAUTICAL SOCIETY at Royal Society of Arts at 5 30 | 296 |
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acid æther Agriculture airship animals appears application Astronomical atomic weight British Association C. V. Raman Cambridge cent characters chemical chemistry chemists College colour Committee course discussion Edinburgh effect electric electrons energy engineering existence expedition experiments fact factors geography Geological give given hermaphroditism important India industry Institute interest investigation J. J. Thomson laboratory lecture light London Lord Rayleigh magnetic material mathematical matter ment metal Meteorological method molecule Mount Everest Museum NATURE November observations Observatory obtained October October 20 Ophion optical organisation organism original paper parallax period photographs physical plants plates possible practical present problems produced Prof published radiation radio-active rainfall recent regarded ROYAL HORTICULTURAL SOCIETY Royal Society scientific Section September soil species Spitsbergen stars suggested temperature theory thermionic emission tion University various volume