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Summary
| Description |
English: Norman Butler's 1980 home made dual 6-Inch f/15 Dall-Kirkham Cassegrain Binocular Telescope on a clock drive fork equatorial mount with a 360 degree stainless steel ring dual OTAs rotation system. (Note: Historically, it's possibly the first Dall-Kirkham Cassegrain Binocular Telescope of it's kind). |
| Date | |
| Source | Own work |
| Author | Namronpb |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:34, 20 March 2019 | | 400 × 272 (244 KB) | Namronpb | User created page with UploadWizard |
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