#TIL: Autochrome photography.
Dates to ~1907 -- 1935. It's a colour photography process. The colour can be enhanced by modern techniques, but represents the original colour captured by the process, it is not colourised B&W or hand-tinted.
@dredmorbius this is amazing
For a comparison of original and enhanced images:
https://nitter.eu/StuartHumphryes/status/1308662127826214913#m
#autochrome