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Investigations of Astrolabe Metallurgy Using Synchrotron Radiation

Published online by Cambridge University Press:  31 January 2011

G. Brian Stephenson ,
Bruce Stephenson  and
Dean R. Haeffner
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Extract

The planispheric astrolabe occupies a special place among early scientific instruments because of its mathematical sophistication, its elegant appearance, and its usefulness to astronomers in pre-telescopic times. The operation of the astrolabe is based on the mathematical properties of stereographic projection, concepts that were understood by the time of Ptolemy in the second century a.d., although surviving instruments are from much later periods.

Type
Research Article
Information
MRS Bulletin , Volume 26 , Issue 1: Preserving Art through the Ages , January 2001 , pp. 19 - 23
Copyright
Copyright © Materials Research Society 2001

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