1900
22
Aug

Photochroms of New York City from 1900s

Photochrom is a process for producing colorized images from black-and-white photographic negatives via the direct photographic transfer of a negative

05
Jul

Photochrom postcards from 1900s

Photochrom is a process for producing colorized images from black-and-white photographic negatives via the direct photographic transfer of a negative