Nature, Količina 101Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Zadetki 1–3 od 89
Stran 114
... observations of the spectrum of the spiral nebula N.G.C. 1068 ( M77 ) have been made at Flagstaff by Dr. V. M. Slipher ( Lowell Observatory Bulletin , No. 80 ) . Among the photographs obtained was one taken with a two - prism ...
... observations of the spectrum of the spiral nebula N.G.C. 1068 ( M77 ) have been made at Flagstaff by Dr. V. M. Slipher ( Lowell Observatory Bulletin , No. 80 ) . Among the photographs obtained was one taken with a two - prism ...
Stran 153
... observations suggest that Doberck's period of 49 49 years is too short by 0'22 year , or that the period is 49'71 years . Mr. PHYSICAL OBSERVATIONS OF VENUS . - Among numer- ous observations detailed in Circular No. 41 of the Union ...
... observations suggest that Doberck's period of 49 49 years is too short by 0'22 year , or that the period is 49'71 years . Mr. PHYSICAL OBSERVATIONS OF VENUS . - Among numer- ous observations detailed in Circular No. 41 of the Union ...
Stran 510
... observations are given for the elements already mentioned , as well as for tension of water vapour , precipitation , evaporation , direction of upper clouds , and surface temperature of earth . There are results of observations of air ...
... observations are given for the elements already mentioned , as well as for tension of water vapour , precipitation , evaporation , direction of upper clouds , and surface temperature of earth . There are results of observations of air ...
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Gardiner Prof S and Prof Nuttall Fishfreezing 39 Isodicamphor 380 | 18 |
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Hardy W B The Nervous Impulse 163 | 28 |
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