000			02168cam a22003253u 4500
001			53542
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007			cr n
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040			_aUtSlPG
041		7	_aen _2iso639-1
050		4	_aQB
100	1		_aDraper, Henry, _d1837-1882
245	1	0	_aOn the Construction of a Silvered Glass Telescope : _bFifteen and a half inches in aperture, and its use in celestial photography
264		1	_aSalt Lake City, UT : _bProject Gutenberg, _c2016
300			_a1 online resource : _bmultiple file formats
336			_atext _btxt _2rdacontent
337			_acomputer _bc _2rdamedia
338			_aonline resource _bcr _2rdacarrier
500			_aRelease date is 2016-11-17
508			_aProduced 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)
520			_a"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.)
534			_nOriginal publication data not identified
653			_aAstronomy
653			_aAstronomical photography
653			_aReflecting telescopes
856	4	0	_uhttps://www.gutenberg.org/ebooks/53542
999			_c94376 _d94376