THE HWGACOR RTP DIARIES

" An experiment using a water-loaded glass sphere was executed and al-Farisi showed the extra refractions mainly because of the glass could be ignored in his product.[seventy four][c] As he mentioned in his Kitab Tanqih al-Manazir (The Revision on the Optics), al-Farisi utilised a big distinct vessel of glass in The form of the sphere, which was cr