By Neil English
Classic telescopes are of curiosity to novice astronomers for numerous purposes. There are the committed creditors, yet there also are many amateurs who love the nostalgia they motivate. those telescopes "feel" diversified from any modern telescope and maybe have a special skill to reconnect the landlord to a bygone age of craftmanship. This ebook takes a glance at conventional telescopes outfitted via the good tool makers of the 18th and nineteenth centuries, quite the dynastic telescope makers, together with Dollond, Alvan Clark, Thomas Cooke & Sons, and Carl Zeiss. additionally incorporated are lesser luminaries resembling John Brashear, John Calver, William Wray, Henry Fitz, and William Henry Mogey.
'Classic Telescopes' covers the foremost good points of the telescopes designed via those brands, and exhibits how a heady blend of marketplace developments, tool , and pedigree will dictate their costs at public sale. 'Classic Telescopes' additionally indicates the reader how to define actual deals! Interviews with most sensible vintage telescope creditors (and clients) give you the top assistance of prospecting for a real acquisition.
Read or Download Classic Telescopes: A Guide to Collecting, Restoring, and Using Telescopes of Yesteryear PDF
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Extra info for Classic Telescopes: A Guide to Collecting, Restoring, and Using Telescopes of Yesteryear
The biggest difficulty with using the ‘scope other than its weight is the long tube. 40 2 A Yorkshireman Makes Good Fig. 11 A pristine Cooke lens that saw first light over 150 years ago (Image courtesy of Richard Day) These telescopes, of course, have long been considered choice instruments for measuring double stars. Curious to see what a contemporary double star observer thought of a big Cooke, Bob Argyle, based at the Institute of Astronomy, in Cambridge, England, is a highly skilled binary star astronomer and author of an influential book on the subject.
The views by Beer and Mädler are good, as are some of Secchi’s (though they appear badly drawn). Nasmyth’s and Phillips’, De La Rue’s two views are also admirable; and Lockyer Voices from the Grave 33 has given a better set of views than any of the others. But there is an amount of detail in Mr. 5-in. Cooke refractor to embark on a special study of red stars, in which he set out to undertake a revision and extension of the best resource of its day on such objects, Schjellerup’s Catalogue of Red Stars.
The Atheneum was eventually demolished in 1893 and the Dollond telescope donated to the Smithsonian Institute in Washington, D. , where it can still be seen today. Arguably one of Dollond’s finest instruments was his 5-in. F/24 refractor, which was, for a short time, the largest of its kind ever constructed and was erected at the Royal Observatory, Greenwich, for observations of the eclipses of Jupiter’s satellites and lunar occultations of faint stars. The archives also attest to an observatory 1 The Dollond Century 17 Fig.
Classic Telescopes: A Guide to Collecting, Restoring, and Using Telescopes of Yesteryear by Neil English