The caption on the photo calls the process “Talbotype”.Talbot’s early silver chloride “delicate paper” experiments required digicam exposures of an hour or more. Paper with a coating of silver iodide was uncovered in the digicam and developed into a translucent adverse picture. Unlike a daguerreotype, which could only be copied by photographing it with a digital camera, a calotype unfavorable could possibly be used to make a lot of constructive prints by easy contact printing. The calotype had one more distinction in comparison with other early photographic processes, in that the finished product lacked nice readability due to its translucent …