Dokumenty
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Odkazy jsou použity z dále uvedeného zdroje, neručíme za aktuálnost a dunkčnost: ZDROJ
- 1974 Optica b/c Astrophotography Catalog, 36 single pages, black and white (37 MB). Courtesy of Charles Brault.
- 1975 Optica b/c Publications Catalog, 28 single pages, black and white (6 MB). Courtesy of Charles Brault.
- Sept. 1975 Optica b/c Newsletter, 4 single pages, black and white (1.5 MB). Courtesy of Charles Brault.
- David Komar's Unitron History Project. (A great site for Unitron oficianatos)
- Thomas Terleski's Cave Astrola Page. (A new site dedicated to a venerable classic!)
- A Brief History of Astro-Physics Lenses. Thomas Back's last update of his classic piece.
- Richard Hill's Questar Gallery. (must-see work with a venerable classic!)
- Richard Hill's History of Criterion Mfg. Co. (informative article!)
- Marco Bensi's Restoration of a 1911 Goerz Refractor (Well illustrated PDF, in Italian)
- Marco Bensi's Antique Optical Instruments Page (Lots of cool stuff, in Italian)
- Max Lattanzi's Restoration of a 125mm Salmoiraghi refractor equatorial mount (A great old refractor comes back to life (Part 2).)
- Max Lattanzi's Zeiss AS 100/1000 refractor (They don't get any sexier than this!)
- Max Lattanzi's Restoration of a 125mm Salmoiraghi refractor (A great old refractor comes back to life.)
- Steve Reed's Celestron Memories (a trip back to yesteryear...)
- Chuck Faranda's Vintage Scopes (nice images of some classics!)
- Hiroki Shirakawa's Classic Japanese Telescope Catalogs (nice site, check it out!)
- Alan Chen's 4 inch Unitron Model 160 (nice images of this classic scope)
- James Witt's Classic Catalogs and Manuals (many pages of classic scope catalogs and manuals)
- James Witt's 1956 12.5" Herring Cave Reflector (documents and photos relating to the scope's history)
- James Witt's Collection of Classic Telescopes (nice images of some classic scopes)
- Cave Astrola Telescopes (Lots of stuff on these classics.)
- Denis Fell's Space Alberta (Classic Telescope Ads.)
- Len Marek's Unitron Page! (A Unitron officionado!)
- Phil Harrington's Classic Ad Collection (Some ads go back to the 1920s!)