Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 80
Stran vii
... Magnetic Disturb- ances , 101 ; the 27 - day Period in Magnetic Phenomena , 522 ; Lag in Marine Barometers , 588 Chrétien ( H. ) , Mirror Astrolabe , 260 Christy ( M. ) , Beaks of Crossbills , 439 Clark ( J. E. ) and R. H. Hooker ...
... Magnetic Disturb- ances , 101 ; the 27 - day Period in Magnetic Phenomena , 522 ; Lag in Marine Barometers , 588 Chrétien ( H. ) , Mirror Astrolabe , 260 Christy ( M. ) , Beaks of Crossbills , 439 Clark ( J. E. ) and R. H. Hooker ...
Stran 22
... magnetic hysteresis for given values of the mag- netic induction . The residual effects can be removed by careful demagnetisation or annealing . It was thought by analogy that the earth's magnetic force would also have a polarising ...
... magnetic hysteresis for given values of the mag- netic induction . The residual effects can be removed by careful demagnetisation or annealing . It was thought by analogy that the earth's magnetic force would also have a polarising ...
Stran 388
... magnetic observations , we find that the mean values of the magnetic elements for 1913 and three previous years from observations in the magnetic pavilion are as follows : - Campbell - Stokes instrument , was 1446 out of a pos- sible ...
... magnetic observations , we find that the mean values of the magnetic elements for 1913 and three previous years from observations in the magnetic pavilion are as follows : - Campbell - Stokes instrument , was 1446 out of a pos- sible ...
Vsebina
Brauner Prof B New Units in Aerology 136 | 9 |
Brown Prof W Change of Length in Nickel Wire 232 | 17 |
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
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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