Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 80
Stran 116
... measurements to be made of the E. M.F.'s of the light of Vega , Arcturus , Regulus , Procyon and other stars . A comparison of the results obtained by photo - electric measures with those of photometric measures of stellar magnitude ...
... measurements to be made of the E. M.F.'s of the light of Vega , Arcturus , Regulus , Procyon and other stars . A comparison of the results obtained by photo - electric measures with those of photometric measures of stellar magnitude ...
Stran 391
... measures should be used everywhere . Now the real requirements of such an international system are two in number . One is that the measures and weights should have the same base ratio throughout ; that means to say one pound in the ...
... measures should be used everywhere . Now the real requirements of such an international system are two in number . One is that the measures and weights should have the same base ratio throughout ; that means to say one pound in the ...
Stran 392
... measures are concerned is very small in- deed . It does not cost much to change either his weights or his measures , and I refer to measures of length as well as to those of capacity . With regard to the changing of lever machines , we ...
... measures are concerned is very small in- deed . It does not cost much to change either his weights or his measures , and I refer to measures of length as well as to those of capacity . With regard to the changing of lever machines , we ...
Vsebina
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
Archbold T R Device for filling Ore Sacks | 50 |
Physics 428 | 127 |
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absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method motion Museum National Physical Laboratory nature observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg