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Pagina 27
From the construction of instruments which take their point of departure from the position of a plumb - line or level , it is a genera method to measure these two arcs separately ; that is E 2 [ 27 ) Observation of the Summer Solstice, ...
From the construction of instruments which take their point of departure from the position of a plumb - line or level , it is a genera method to measure these two arcs separately ; that is E 2 [ 27 ) Observation of the Summer Solstice, ...
Pagina 28
method to measure these two arcs separately ; that is to say , the zenith distance of the sun is considered as the immediate object of investigation , and the remaining arc , or as it is usually termed , the co - latitude of the place ...
method to measure these two arcs separately ; that is to say , the zenith distance of the sun is considered as the immediate object of investigation , and the remaining arc , or as it is usually termed , the co - latitude of the place ...
Pagina 29
solstice obtained by direct measurement , from the pole , without the aid of the intermediate point above mentioned ; and it will be seen that the results do not in this case differ above a quarter of a second from each other .
solstice obtained by direct measurement , from the pole , without the aid of the intermediate point above mentioned ; and it will be seen that the results do not in this case differ above a quarter of a second from each other .
Pagina 30
N. P. D. deduced by direct measurement from Polaris . 1812 Bar . Ther . Ther in . out Ref . June 12 29,94 64 70 0,30,3 OUL 66,33,33.0 12,93 38,31,34,1015,47,20,17,15,4 28 , 1 , 1,0 66,32,21,4 1429,70 63 71 10,29,4 OUL66,26 48,512,95 34 ...
N. P. D. deduced by direct measurement from Polaris . 1812 Bar . Ther . Ther in . out Ref . June 12 29,94 64 70 0,30,3 OUL 66,33,33.0 12,93 38,31,34,1015,47,20,17,15,4 28 , 1 , 1,0 66,32,21,4 1429,70 63 71 10,29,4 OUL66,26 48,512,95 34 ...
Pagina 57
12 , will still be a regular rhomboid ; but the measures of its angles will be different from those of the former , and will be more I MDCCCXIII . or less obtuse according to the degree of oblateness of of certain Crystals . 57.
12 , will still be a regular rhomboid ; but the measures of its angles will be different from those of the former , and will be more I MDCCCXIII . or less obtuse according to the degree of oblateness of of certain Crystals . 57.
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Philosophical Transactions of the Royal Society of London Royal Society (Great Britain) Volledige weergave - 1835 |
Philosophical Transactions of the Royal Society of London Royal Society (Great Britain) Volledige weergave - 1836 |
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