Project Gutenberg 2005-09-28 Public domain in the USA. 254 Proctor, Richard A. (Richard Anthony) 1837 1888 Proctor, Richard Anthony Proctor, R. A. (Richard Anthony) Half-hours with the Telescope Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction. New York: G.P. Putnam's Sons. 1873. Preface: The object which the Author and Publisher of this little work have proposed to themselves, has been the production, at a moderate price, of a useful and reliable guide to the amateur telescopist. Among the celestial phenomena described or figured in this treatise, by far the larger number may be profitably examined with small telescopes, and there are none which are beyond the range of a good 3-inch achromatic. The work also treats of the construction of telescopes, the nature and use of star-maps, and other subjects connected with the requirements of amateur observers. Chapter I. A Half-Hour on the Structure of the Telescope Chapter II. A Half-Hour with Orion, Lepus, Taurus, etc. Chapter III. A Half-Hour with Lyra, Hercules, Corvus, Crater, etc. Chapter IV. A Half-Hour with Bootes, Scorpio, Ophiuchus, etc. Chapter V. A Half-Hour with Andromeda, Cygnus, etc. Chapter VI. Half-Hours with the Planets Chapter VII. Half-Hours with the Sun and Moon Produced by Jason Isbell and the Online Distributed Proofreading Team at https://www.pgdp.net "Half-Hours with the Telescope" by Richard A. Proctor is a scientific publication written in the late 19th century. The book serves as a popular guide for amateur astronomers, focusing on the use of telescopes for both educational and entertainment purposes. It discusses the construction of telescopes, the nature of star maps, and a variety of celestial phenomena that can be observed, particularly those amenable to smaller telescopes. The opening of the book provides an introduction to the telescope and its significance in astronomy, emphasizing its accessibility even for beginners. Proctor addresses common disappointments that new users face when first observing celestial bodies, explaining the importance of understanding the instrument's capabilities. He aims to empower novices with knowledge that will enhance their observational experience, thereby fostering a deeper appreciation for the wonders of the universe as seen through a telescope. The thoroughness of the text offers guidance on everything from the structure of telescopes to practical tips for object observation, making it a valuable resource for aspiring astronomers. (This is an automatically generated summary.) Reading ease score: 65.9 (8th & 9th grade). Neither easy nor difficult to read. en Astronomy Telescopes QB Text Astronomy Category: Science - Earth/Agricultural/Farming Category: How To ... 260689 2025-08-07T08:38:02.923480 text/html 257186 2020-12-12T14:52:36 text/html 4442581 2025-08-07T08:38:13.747438 application/epub+zip 4426562 2025-08-07T08:38:06.580477 application/epub+zip 156671 2025-08-07T08:38:04.874482 application/epub+zip 5798932 2025-08-07T08:38:19.206945 application/x-mobipocket-ebook 5751889 2025-08-07T08:38:11.453435 application/x-mobipocket-ebook 272357 2022-09-08T07:24:51.042561 application/x-mobipocket-ebook 215868 2025-08-07T08:38:02.007537 text/plain; charset=us-ascii 215695 2020-12-12T14:52:36 text/plain; charset=us-ascii 215859 2020-12-12T14:52:36 text/plain; charset=us-ascii 21973 2025-08-07T08:38:19.416923 application/rdf+xml 12330 2025-08-07T08:38:05.430482 image/jpeg 2950 2025-08-07T08:38:05.166472 image/jpeg 75530 2020-12-12T14:52:36 application/octet-stream application/zip 3873956 2020-12-12T14:52:36 application/octet-stream application/zip 75484 2020-12-12T14:52:36 application/octet-stream application/zip 4152005 2025-08-07T08:38:03.092515 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia