FIGURE 2. Islamic descendant.
From the following article:
Archaeology: High tech from Ancient Greece
François Charette
Nature 444, 551-552(30 November 2006)
doi:10.1038/444551a

An eight-geared lunisolar calendar illustrated in al-Biruni's treatise on the astrolabe, written in AD 996. The design is much simpler than that of the Antikythera Mechanism, but is very probably descended from it.
UNIV. LIBRARY, LEIDEN
