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Islamic Astrolabes
Three Islamic astrolabes and, at right, a Persian Qibla indicator. The last is a pocket instrument with a gazetteer of longitudes and latitudes from which the faithful could calculate the direction of Mecca, the direction they faced in prayer. At the National Museum of American History in Washington DC..
Author: Michael Freeman
©Michael Freeman
File state: Final
Photo size: 24.9 Mpixels (71.2 MB uncompressed) - 5318x4678 pixels (17.7x15.6 in / 45x39.6 cm at 300 ppi)
Photo keywords: astrolabe-, instrument-, ipn, Islamic-, museum-, National Museum of American History-, NMAH, pd, Persian-, qibla-
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