Anonymous
French geared astrolabe, 14th century
London, Science Museum, inv. 1880-32

The calendar mechanism on the rear of this astrolabe is, as far as we are aware, the oldest geared mathematical device ever to have been built in the West.
38 notes
· #French geared astrolabe
#astrolabe
#anonymous
#calander
#machanic
#mathematical

Anonymous
French geared astrolabe, 14th century
London, Science Museum, inv. 1880-32

The calendar mechanism on the rear of this astrolabe is, as far as we are aware, the oldest geared mathematical device ever to have been built in the West.

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