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ancient technology

crehore dial
One of the last remaining sundials by Albert Crehore still sits on public display on the campus of Johns Hopkins Hospital in Baltimore.
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Fall 2020 | Volume 26, Issue 3
One of the last remaining sundials by Albert Crehore still sits on public display on the campus of Johns Hopkins Hospital in Baltimore. Courtesy of Maxwell BoamIn 2015, Samantha Duckworth, a science and technology research specialist at the local library in Portland, Maine, received a peculiar…

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