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Sundials were one of the earliest instruments used to study the earth's movements. Patrick Moore discusses with Henry Brinton, and with Sir Alan Herbert who makes his own, the use of sundials in modern astronomy.
Episode 8
Sundials were one of the earliest instruments used to study the earth's movements. Patrick Moore discusses with Henry Brinton, and with Sir Alan Herbert who makes his own, the use of sundials in modern astronomy.
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