HWGACOR SLOT - AN OVERVIEW

" An experiment by using a water-crammed glass sphere was conducted and al-Farisi showed the additional refractions due to glass might be ignored in his product.[74][c] As he noted in his Kitab Tanqih al-Manazir (The Revision with the Optics), al-Farisi applied a substantial very clear vessel of glass in the shape of a sphere, which was stuffed wit