Philosophical Transactions of the Royal Society of London, Volume 103W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1813 |
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Pagina 130
... Telescope , compared with that of the Gregorian . By Captain Henry Kater , Brigade- Major . Communicated by the Right Hon . Sir Joseph Banks , Bart . K. B. P. R. S. p . 206 XXVI . Additional Observations on the Effects of Magnesia in ...
... Telescope , compared with that of the Gregorian . By Captain Henry Kater , Brigade- Major . Communicated by the Right Hon . Sir Joseph Banks , Bart . K. B. P. R. S. p . 206 XXVI . Additional Observations on the Effects of Magnesia in ...
Pagina 206
... Gregorian . By Captain Henry Kater , Brigade- Major . Communicated by the Right Hon . Sir Joseph Banks , Bart . K. B. P. R. S. Read May 27 , 1813 . THE Cassegrainian telescope from its first invention to the present time , has generally ...
... Gregorian . By Captain Henry Kater , Brigade- Major . Communicated by the Right Hon . Sir Joseph Banks , Bart . K. B. P. R. S. Read May 27 , 1813 . THE Cassegrainian telescope from its first invention to the present time , has generally ...
Pagina 207
... telescope actually possessed far more light than the Gregorian , and I waited most anxiously for an opportunity of verifying this , and determining the difference by experiment . Such an opportunity soon presented itself , and under cir ...
... telescope actually possessed far more light than the Gregorian , and I waited most anxiously for an opportunity of verifying this , and determining the difference by experiment . Such an opportunity soon presented itself , and under cir ...
Pagina 208
... Telescope . Gregorian Telescope . Diameter of the circular opening in the paste- Inch . Diameter of the large Inch . mirror 3 , 90 board 2 , 70 Diameter of the back of Diameter of the back of the small mirror Length of the arm - 1 , 09 ...
... Telescope . Gregorian Telescope . Diameter of the circular opening in the paste- Inch . Diameter of the large Inch . mirror 3 , 90 board 2 , 70 Diameter of the back of Diameter of the back of the small mirror Length of the arm - 1 , 09 ...
Pagina 209
... Gregorian telescope had been made some time , and its mirrors might therefore be supposed not to possess so high a polish , as those of the Cas- segrainian which had been recently finished ; but I was soon enabled to pursue the subject ...
... Gregorian telescope had been made some time , and its mirrors might therefore be supposed not to possess so high a polish , as those of the Cas- segrainian which had been recently finished ; but I was soon enabled to pursue the subject ...
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