Nature, Količina 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Stran 11
... taken from the trawl or tow - net can be placed in suitable tanks or cells by the biologist , and FIG . 3. - Pecten turning over . photographed , living , anæsthetised , or dead , by an assistant . Any number of useful records could ...
... taken from the trawl or tow - net can be placed in suitable tanks or cells by the biologist , and FIG . 3. - Pecten turning over . photographed , living , anæsthetised , or dead , by an assistant . Any number of useful records could ...
Stran 113
... taken by Mr. H. Winkelmann , and the three here reproduced have been selected to illustrate the setting up of some of the instruments . Port Davey , May 7 , 1910 . " The weather since April 27 was execrable until May 4 , and was not ...
... taken by Mr. H. Winkelmann , and the three here reproduced have been selected to illustrate the setting up of some of the instruments . Port Davey , May 7 , 1910 . " The weather since April 27 was execrable until May 4 , and was not ...
Stran 374
... taken in America and in Europe , were secured with a 5 - inch Grubb portrait lens of 33.8 inches focal length . On certain of these there are many distinct tails and a number of fine details ; other plates were exposed in a half - plate ...
... taken in America and in Europe , were secured with a 5 - inch Grubb portrait lens of 33.8 inches focal length . On certain of these there are many distinct tails and a number of fine details ; other plates were exposed in a half - plate ...
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acid agricultural appears atomic weight August austenite batholiths Boulder Clay British cable Canadian Shield carbide carbon cells cementite cent character chemical chemistry College colour comet congress contains Cretaceous crystalline deal described direction discussion disease electrical engineering eutectic exhibit experiments fact feet geological give given glaciers gneiss Halley's comet Huronian illustrated important inches Institute interesting investigation iron J. J. Thomson July laboratory Lake Lake Chad large number larvæ London magnetic manganese mathematical matter means ment metal method nature observations Observatory obtained origin paper peneplain Perseid photographs plant plates Pleistocene practical present pressure probably Prof radium recent reference regard rocks Royal sand scientific silicon Society soil species specimens sulphur surface technical temperature theory tion trypanosome University various volume