Nature, Volume 72Sir Norman Lockyer Macmillan Journals Limited, 1905 |
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Página 136
... photographs of the polar field . For the year ending 1904 December 31 , Greenwich photo- graphs of the sun have been selected for measurement on 209 days , and photographs from India and Mauritius ( to fill up the gaps in the series ) ...
... photographs of the polar field . For the year ending 1904 December 31 , Greenwich photo- graphs of the sun have been selected for measurement on 209 days , and photographs from India and Mauritius ( to fill up the gaps in the series ) ...
Página 209
... photographs of the solar rorona in 1898 , 1900 , and 1901 : the Astronomer Royal . In 1901 a change in the corona on the west side appears to have taken place in the interval ( thirty - seven minutes ) between two photographs taken at ...
... photographs of the solar rorona in 1898 , 1900 , and 1901 : the Astronomer Royal . In 1901 a change in the corona on the west side appears to have taken place in the interval ( thirty - seven minutes ) between two photographs taken at ...
Página 536
... photographs , and close by ( N 216 ) is a very fine photograph of sea - gulls , the for- most of which are in the act of alighting on th water . Of other photographs that record slow . movements , the chief are a series of seven by M- W ...
... photographs , and close by ( N 216 ) is a very fine photograph of sea - gulls , the for- most of which are in the act of alighting on th water . Of other photographs that record slow . movements , the chief are a series of seven by M- W ...
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