Optical Research by Ibn-al-Haitham, 965-1039 1969
Now showing: Pakistan - Postage stamps - 1969 - Optical Research by Ibn-al-Haitham, 965-1039 - 1 stamps.
Now showing: Pakistan - Postage stamps - 1969 - Optical Research by Ibn-al-Haitham, 965-1039 - 1 stamps.