Abstract
MR. BAKER has supplied a very excellent shillings worth for those who have occasion to use the sextant and wish to understand it properly. Every text-book gives the simple theory of the instrument, and the more ordinary adjustments and tests for errors are generally enough understood, but when the complete theory of an astronomical instrument, worked out on the supposition that no part is quite perfectly made, is required, then only such elaborate books as, for instance, Chauvenet may be turned to with confidence. It will be a great convenience to the sextant user to find in this little book complete demonstrations, free from the usual omission of steps, unnecessary for the writer of the book, but sadly needed by the reader, of the important errors, with specially prepared tables to facilitate calculation.
Sextant Errors.
By Thos. Y. Baker. Pp. 32. (London: J. Griffin and Co., 1909.) Price 1s. net.
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B., C. Sextant Errors . Nature 82, 276–277 (1910). https://doi.org/10.1038/082276b0
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DOI: https://doi.org/10.1038/082276b0