Nature, Količina 108Sir Norman Lockyer Macmillan Journals Limited, 1921 |
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Zadetki 1–3 od 84
Stran 12
... effect on variations . WALTER Kidd . 2 Suffolk Square , Cheltenham , August 19 . The ' Radiant " Spectrum . THE title refers to an interesting optical effect ob- served and described many years ago by Sir David Brewster ( Phil . Mag ...
... effect on variations . WALTER Kidd . 2 Suffolk Square , Cheltenham , August 19 . The ' Radiant " Spectrum . THE title refers to an interesting optical effect ob- served and described many years ago by Sir David Brewster ( Phil . Mag ...
Stran 147
... effect of the hydrogen- ion concentration of the soil on plants is indirect , and that there is some ulterior factor the fluctuations of which are commonly , but not invariably , accompanied by fluctuations of hydrogen - ion ...
... effect of the hydrogen- ion concentration of the soil on plants is indirect , and that there is some ulterior factor the fluctuations of which are commonly , but not invariably , accompanied by fluctuations of hydrogen - ion ...
Stran 337
... effect of this material . I have lately been using tourmaline for obtaining a similar effect , and I have found that a very thin plate of tourmaline cemented as a semi - lens on to an ordinary pair of spectacles is best for this purpose ...
... effect of this material . I have lately been using tourmaline for obtaining a similar effect , and I have found that a very thin plate of tourmaline cemented as a semi - lens on to an ordinary pair of spectacles is best for this purpose ...
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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