411 REFERENCE · Wiktionary
Niepce's process
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Invented by J. N. Niepce, a French chemist, in 1829.
Proper noun
en photography historical A photographic process based on the action of light in rendering a thin layer of bitumen, with which the plate is coated, insoluble.
en eponyms