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XXII. A Method of determining the Time with Accuracy, from a Series of Altitudes of the Sun, taken on the same side of the Meridian

Published online by Cambridge University Press:  17 January 2013

Thomas Brisbane
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Extract

Having for a number of years been constantly moving about, in situations where I could not convey large astronomical instruments, I have repeatedly tried to what extent of accuracy and consistency I could arrive with the smaller ones. The results have convinced me, that a great deal of accuracy may in that way be obtained; and that the sextant is an instrument, which, if perfectly understood, would be in higher estimation, and more general use, than it is at present. The observations I am about to submit, were made with a ten inch sextant of Troughton's, divided on platina to 10″, (No 1200).

Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 8 , Issue 2 , 1818 , pp. 497 - 502
Copyright
Copyright © Royal Society of Edinburgh 1818

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