Nature, Količina 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Zadetki 1–3 od 84
Stran 125
... shown their astronomical connection . The history of fire - making , illustrating the gradual evolution of the match , is very interesting , and is probably one of the most complete exhibits of its kind which has ever been shown . The ...
... shown their astronomical connection . The history of fire - making , illustrating the gradual evolution of the match , is very interesting , and is probably one of the most complete exhibits of its kind which has ever been shown . The ...
Stran 219
... shown how to magnify the movement to any required degree without loss of accuracy . A coil of fine wire attached to the pendulum moves in the field of a second pair of horse - shoe magnets , and the currents so generated in the coil ...
... shown how to magnify the movement to any required degree without loss of accuracy . A coil of fine wire attached to the pendulum moves in the field of a second pair of horse - shoe magnets , and the currents so generated in the coil ...
Stran 399
... shown of what that unconquerable tenacity , the characteristic of the British Empire , is capable . I find no words to express to Your Excellency my admiration and my gratitude . " One of the most interesting exhibits is that of the ...
... shown of what that unconquerable tenacity , the characteristic of the British Empire , is capable . I find no words to express to Your Excellency my admiration and my gratitude . " One of the most interesting exhibits is that of the ...
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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