02168cam a22003253u 4500 53542 UtSlPG 20260610134232.0 m cr n 260607r2016||||utu|||||o|||||||||||||| d UtSlPG en iso639-1 QB Draper, Henry, 1837-1882 On the Construction of a Silvered Glass Telescope : Fifteen and a half inches in aperture, and its use in celestial photography Salt Lake City, UT : Project Gutenberg, 2016 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2016-11-17 Produced by Thiers Halliwell, Chris Curnow and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) "On the Construction of a Silvered Glass Telescope" by Henry Draper is a scientific publication written in the mid-19th century. This work provides an in-depth examination of the design and functionality of a silvered glass telescope specifically suited for celestial photography. It presents both the practical aspects of telescope construction and the underlying scientific principles. At the start of the work, Draper outlines the historical context of telescope development and shares his personal journey of creating a larger, improved instrument in America. He details the materials and processes involved in grinding and polishing mirrors, silvering glass, and constructing the telescope's mounting and components. The opening portion sets the stage for an elaborate discussion on the various challenges encountered in this endeavor and how each was systematically addressed through experimentation and innovation. (This is an automatically generated summary.) Original publication data not identified Astronomy Astronomical photography Reflecting telescopes https://www.gutenberg.org/ebooks/53542 94376 94376