Talbot's "Carlo Photography" was patented in Britain;
B. Talbot's "Carlo Photography" uses gallic acid and silver nitrate to develop and fade;
C Talbot's "Carlo Photography" was patented in France;
D Talbot's Carlo Photography marks the birth of photography.
Correct answer: Talbot's "Carlo Photography" was patented in Britain; Talbot's "Carlo Photography" uses gallic acid and silver nitrate for development and fixation;