NatureSir Norman Lockyer |
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Page 34
... plates . The source of recoil atoms was a narrow line of meso- thorium bromide on platinum on the lower plate perpendicular to the direction of the air stream . Such a source gives thorium X , thorium A , and thorium B by recoil . These ...
... plates . The source of recoil atoms was a narrow line of meso- thorium bromide on platinum on the lower plate perpendicular to the direction of the air stream . Such a source gives thorium X , thorium A , and thorium B by recoil . These ...
Page 71
... plates . ( Washington : Carnegie Institution . ) Archaeological Investigations in the Aleutian Islands . By Waldemar Jochelson . ( Publication No. 367. ) Pp . ix + 145 + 28 plates . ( Washington : Carnegie Institution . ) United States ...
... plates . ( Washington : Carnegie Institution . ) Archaeological Investigations in the Aleutian Islands . By Waldemar Jochelson . ( Publication No. 367. ) Pp . ix + 145 + 28 plates . ( Washington : Carnegie Institution . ) United States ...
Page 79
... plates ) . ( Plymouth : Marine Biological Laboratory ; London : Dulau and Co. , Ltd. , 1925. ) 12s . 6d . net . A SHORT account is given of the general morphology of the Dinoflagellata , in which the terms afterwards employed are ...
... plates ) . ( Plymouth : Marine Biological Laboratory ; London : Dulau and Co. , Ltd. , 1925. ) 12s . 6d . net . A SHORT account is given of the general morphology of the Dinoflagellata , in which the terms afterwards employed are ...
Page 83
... plate for the com- parison of radiation intensities is becoming of greater importance every year . There are two ... plates , presumably of the same kind , to be sufficiently different to upset the results completely . The main ...
... plate for the com- parison of radiation intensities is becoming of greater importance every year . There are two ... plates , presumably of the same kind , to be sufficiently different to upset the results completely . The main ...
Page 84
... plate used , so that all the arduous work of calibration is avoided , and one depends for accuracy , so far as the ... plates , presumably with the view of using them for the first method described above . In our opinion the second ...
... plate used , so that all the arduous work of calibration is avoided , and one depends for accuracy , so far as the ... plates , presumably with the view of using them for the first method described above . In our opinion the second ...
Contents
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viii | |
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