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The new 100-inch telescope floating ball bearing support system for the mirror, Mount Wilson Observatory. - Photographs - Huntington Digital Library
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Baader - Guidescope rings BP III - for tube diameters from 140-185mm (2pc), with large knobs and ball bearing tips | Telescopes
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The OHB-DC and IMT team's design of the telescope mount showing the... | Download Scientific Diagram
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