A Manual of Spherical and Practical Astronomy, Vol. 1: Embracing the General Problems of Spherical Astronomy, the Special, Applications to Nautical ... Instruments, With an Appendix on the Meth - Softcover

Chauvenet, William

9781330156148: A Manual of Spherical and Practical Astronomy, Vol. 1: Embracing the General Problems of Spherical Astronomy, the Special, Applications to Nautical ... Instruments, With an Appendix on the Meth

Softcover

ISBN 10: 1330156145 ISBN 13: 9781330156148

Verlag: Forgotten Books, 2018

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Rese�a del editor

Excerpt from A Manual of Spherical and Practical Astronomy, Vol. 1: Embracing the General Problems of Spherical Astronomy, the Special, Applications to Nautical Astronomy, and the Theory, and Use of Fixed and Portable Appendix Instruments, With an Appendix on the Method of Least Squares

The Gaussian method of reducing circummeridian alti tudes of the sun by referring them to the instant of the sun's maximum altitude, is in this work rigorously investi gated, and a small term, overlooked or disregarded by gauss, has been added to the formula.

A new and brief approximative method of finding the latitude by two altitudes near the meridian when the time is not known, is given in Vol. 1. Arts. 195 and 204, and another by three altitudes near the meridian, in Art. 205, which will probably be found useful as nautical methods.

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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Rese�a del editor

Excerpt from A Manual of Spherical and Practical Astronomy, Vol. 1: Embracing the General Problems of Spherical Astronomy, the Special, Applications to Nautical Astronomy, and the Theory, and Use of Fixed and Portable Appendix Instruments, With an Appendix on the Method of Least Squares

The methods of investigation adopted in this work are in accordance with what may be called the modern school of practical astronomy, or more distinctively the German school, at the head of which stands the unrivalled Bessel. In this school, the investigations both of the general problems of Spherical Astronomy and of the Theory of Astronomical Instruments arc distinguished by the generality of their form and their mathematical rigor. When approximative methods are employed for convenience in practice, their degree of accuracy is carefully determined by means of exact formul� previously investigated; the latter being developed in converging series, and only such terms of these series being neglected as can be shown to be insensible in the cases to which the formul� are to be applied. And it is an essential condition of all the methods of computation from data furnished by observation, that the errors of the computation shall always be practically insensible in relation to the errors of observation: so that our results shall be purely the legitimate deductions from the observations, and free from all avoidable error.

About the Publisher

Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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