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017946

Instruments for timekeeping and direction finding in the Islamic world, based on shadow and twilight phenomena depending on the position of the sun.

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Filename
017946.JPG
Copyright
Irish Photo Archive
Image Size
4777x3675 / 1.7MB
Contained in galleries
Recently uploaded historical photos 4
Instruments for timekeeping and direction finding in the Islamic world, based on shadow and twilight phenomena depending on the position of the sun.