Priestley published the first volume of his projected history of experimental philosophy, The History and Present State of Discoveries Relating to Vision, Light and Colours (referred to as his Optics), in 1772.
Priestley menerbitkan volume pertama dari proyeksi sejarah filsafat eksperimentalnya yang bertajuk The History and Present State of Discoveries Relating to Vision, Light and Colours (dirujuk sebagai Optics), pada tahun 1772.