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The zodiacal armillary instrument

The zodiacal armillary instrument

R102/0024

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Credit

DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY

Caption

The zodiacal armillary instrument, one of the instruments at Tycho Brahe's great observatory at Uraniburg on the island of Hveen, Denmark (now Ven, Sweden). The instrument was a copy of one designed by the Greek astronomer Ptolemy and was used to determine the latitudes and longitudes of stars. Two astronomers were needed for each observation, one sighting a fixed star whose position is known, the other sighting the unknown star. The illustration is from Tycho's book Astronomiae Instauratae Mechanica, published in Wandesburgi in 1598.

Release details

Model release not required. Property release not required.

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