Syrian Arab Republic 877-879

     A set of three stamps issued by the Syrian Arab Republic in 1980 in observance of the Second International History of Arabic Sciences Symposium held in Aleppo, Syria that year, has an Arabic astrolabe as a common theme.

Syrian Arab Republic 802

    On another S. A. R. stamp, issued in 1978, is an Islamic Astrolabe (misspelled "Astrulabe" ?).