On the Construction of a Silvered Glass Telescope

On the Construction of a Silvered Glass Telescope - Fifteen and a half inches in aperture, and its use in celestial photography

The text of this book has been preserved in its original form apart from correction of two typographic errors: embarrasment embarrassment, Cassegranian Cassegrainian. Inconsistent hyphenation has not been altered. A lengthy preliminary section concerning the Smithsonian Institution precedes the actual subject matter. A black dotted underline indicates a hyperlink to a page, illustration or footnote (hyperlinks are also highlighted when the mouse pointer hovers over them). Page numbers are shown in the right margin and footnotes are located at the end. Footnotes are located at the end. This volume forms the fourteenth of a series, composed of original memoirs on different branches of knowledge, published at the expense, and under the direction, of the Smithsonian Institution. The publication of this series forms part of a general plan adopted for carrying into effect the benevolent intentions of James Smithson, Esq., of England. This gentleman left his property in trust to the United States of America, to found, at Washington, an institution which should bear his own name, and have for its objects the increase and diffusion of knowledge among men. This trust was accepted by the Government of the United States, and an Act of Congress was passed August 10, 1846, constituting the President and the other principal executive officers of the general government, the Chief Justice of the Supreme Court, the Mayor of Washington, and such other persons as they might elect honorary members, an establishment under the name of the Smithsonian Institution for the increase and diffusion of knowledge among men. The members and honorary members of this establishment are to hold stated and special meetings for the supervision of the affairs of the Institution, and for the advice and instruction of a Board of Regents, to whom the financial and other affairs are intrusted. ......Buy Now (To Read More)

Product details

Ebook Number: 53542
Author: Draper, Henry
Release Date: Nov 17, 2016
Format: eBook
Language: English