DETAILS, FICTION AND HWGACOR

" An experiment by using a drinking water-stuffed glass sphere was performed and al-Farisi showed the extra refractions mainly because of the glass can be disregarded in his design.[74][c] As he mentioned in his Kitab Tanqih al-Manazir (The Revision from the Optics), al-Farisi employed a big very clear vessel of glass in The form of the sphere, whi