Mt. Cuba Astronomical Foundation

The 4" f/15 Clark refractor made in 1887 for Francis G. DuPont. Originally housed in an observatory that was on the grounds of what is now the Hagley Museum, the telescope has been in constant use since its donation to Mt.

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The 4" f/15 Clark refractor made in 1887 for Francis G. DuPont. Originally housed in an observatory that was on the grounds of what is now the Hagley Museum, the telescope has been in constant use since its donation to Mt.

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