hypo-alum toning process

hypo-alum toning process
Etymology: hypo + alum
: a method of altering a developed silver photographic image to a sepia color by means of a warm solution containing essentially hypo and alum

Useful english dictionary. 2012.

Игры ⚽ Нужен реферат?

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”