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Pleasures of the telescope;: An illustrated guide for...

Pleasures of the telescope;: An illustrated guide for amateur astronomers and a popular description of the chief wonders of the heavens for general readers,

Garrett Putman Serviss
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Originally published in 1915, By the introduction of a complete series of star maps, drawn specially for the use of the amateur and distributed through the body of the work, thus facilitating consultation, it is believed that this book makes a step in advance of its predecessors. The maps show all of the stars visible to the naked eye in the regions of the sky represented, and, in addition, some stars that can only be seen with optical aid. The latter have been placed in the maps as guide posts in the telescopic field to assist those who are searching for faint and inconspicious objects referred to in the text. As the book was not written for those who possess the equiptment of an observatory, with telescopes driven by clockwork and provided with graduated circles, right ascensions and declinations are not given. All of the telescopic phenomena described are, however represented in the maps...Many of the earliest books, particularly those dating back to the 1900's and before, are now e
种类:
年:
1901
出版社:
D. Appleton and company
语言:
english
页:
220
文件:
PDF, 32.47 MB
IPFS:
CID , CID Blake2b
english, 1901
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