Answer: talbotype

AnswerCrossword Clue
talbotypeprint made by this process
talbotypea method of taking photographic pictures, on paper sensitized with iodide of silver, aka calotype, kalotype
talbotypeearly negative-positive photographic process, patented by William Henry Talbot in 1841, in which a paper negative is produced and then used to make a positive contact print in sunlight