Nature, Količina 101Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Zadetki 1–3 od 83
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. 8o ) . 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. 8o ) . 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 . 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 . 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 ...
Vsebina
Smith Sir Swire 49 The Ethnological Affinities of the Natives of H Bal | 8 |
Geography Practical Essentials of B C Wallis 364 in the F J W Whipple 359 in France Rainfall | 10 |
Whiting Dr A L Soil Biology 61 Nova in Monoceros 52 A Star with a Nova Spectrum | 12 |
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A. C. D. Crommelin acid æther Agriculture Alfred Keogh ammonia appears applied April Astronomical birds British Cape Royds cent chemical chemistry College Committee considerable Council David Prain dealing Department described direction discussion disease effect electric engineering experiments fact give given Government important increase industry Institute interesting investigation issued J. J. Thomson Journal June laboratory larvæ lecture light London magnetic manufacture March matter measure ment metal Meteorological method metric metric system mineral Museum National National Physical Laboratory natural Nosema apis observations Observatory obtained organisation paper Paul Painlevé perihelion period photographs physical plants practical present Price problems production Prof published recent regard Royal Society schools scientific species star supply technical temperature theory tion treatment United United Kingdom University various velocity