Caltech Image Collection
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- 100" Hooker telescope at Mt. Wilson
- Photo by Mt. wilson and Palomar Observatories., No Date
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- 100" and 60" domes at Mt. Wilson
- Bowen Papers., No Date
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- 100" dome at Mt. Wilson
- A. L. Klein Collection., January 11, 1921
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- 100" telescope and yoke
- No Date
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- 100" telescope mirror inside lifting band
- Mt. Wilson Observatory. Caption provided by Larry Webster, Mt. Wilson Observatory., No Date
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- 100” Hooker reflecting telescope in the large dome at Mt. Wilson Observatory.
- Astronomy., No Date
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- 104" grindng tool on 200" disc
- Depth of concavity 3.25". Palomar., January 3, 1938