Light Science for Leisure Hours, a Series of Familiar Essays on Scientific Subjects Natural Phenomena EtcLongmans, Green, and Company, 1871 - 316 páginas |
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Página 24
... land and of Baffin's Bay , the magnetic needle points due west ; while still further to the north ( a little westerly ) , we find the needle pointing with its north end directly towards the south . In the presence of these peculiarities ...
... land and of Baffin's Bay , the magnetic needle points due west ; while still further to the north ( a little westerly ) , we find the needle pointing with its north end directly towards the south . In the presence of these peculiarities ...
Página 30
... land . He approached so near , however , to the pole , that the needle was inclined at an angle of nearly ninety degrees to the horizon , and he was able to assign to the southern pole a position in 75 ° S. lat . , 154 ° E. long . It is ...
... land . He approached so near , however , to the pole , that the needle was inclined at an angle of nearly ninety degrees to the horizon , and he was able to assign to the southern pole a position in 75 ° S. lat . , 154 ° E. long . It is ...
Página 69
... Land , Chatham Island , and the wilds of Siberia . Here , however , as in so many other cases , the astronomer must take what he can get and be thankful . If Nature insists on not revealing her secrets unless astronomers will betake ...
... Land , Chatham Island , and the wilds of Siberia . Here , however , as in so many other cases , the astronomer must take what he can get and be thankful . If Nature insists on not revealing her secrets unless astronomers will betake ...
Página 71
... Land , and some other places more easy of access than the Antarctic continent , will serve very well . Indeed , England has so many stations to occupy elsewhere that it is doubtful whether she will care to undertake the dangerous and ...
... Land , and some other places more easy of access than the Antarctic continent , will serve very well . Indeed , England has so many stations to occupy elsewhere that it is doubtful whether she will care to undertake the dangerous and ...
Página 73
... Land . This part of their work will be comparatively easy , the method only requiring that the duration of the transit should be carefully timed . In fact , one of the great advantages of Halley's method is the smallness of the expense ...
... Land . This part of their work will be comparatively easy , the method only requiring that the duration of the transit should be carefully timed . In fact , one of the great advantages of Halley's method is the smallness of the expense ...
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