02310cam a22003133u 450000100060000000300070000600500170001300600020003000700050003200800410003704000110007804100170008905000070010610000310011324501520014426400510029630000470034733600260039433700260042033800360044650000310048250800960051352012150060953400450182465300410186965300260191085600430193699900170197953494UtSlPG20260610134231.0mcr n260607r2016||||utu|||||o|||||||||||||| d  aUtSlPG 7aen2iso639-1 4aQB1 aCalver, George,d1834-192710aNew Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. :bwith Directions for Silvering, Adjusting, &c. 1aSalt Lake City, UT :bProject Gutenberg,c2016  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2016-11-10  aProduced by Eric Hutton and the Online Distributed
Proofreading Team at http://www.pgdp.net  a"New Edition of Hints on Silvered-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S." is a scientific publication likely written in the late 19th century. The book focuses on providing guidance for the use and construction of silvered-glass reflecting telescopes, emphasizing their advantages over other types. It serves as a resource for both amateur astronomers and practical observers keen on understanding telescope selection, silvering techniques, and operational adjustments.  The opening of this work introduces the nature of silvered-glass reflectors and their growing popularity among astronomers. It highlights the benefits of such telescopes, including reduced chromatic aberration and ease of use compared to achromatic telescopes. The text details considerations for suitable atmospheric conditions and offers practical advice on telescope adjustments, mirror polishing, and the intricacies of telescope construction. With references to practical observations and a variety of technical instructions, the opening assumes a guide-like tone, aiming to convey the joy and satisfaction derived from using well-crafted optical instruments. (This is an automatically generated summary.)  nOriginal publication data not identified  aScientific apparatus and instruments  aReflecting telescopes40uhttps://www.gutenberg.org/ebooks/53494  c94328d94328