La Stampa alla Gomma Bicromata - The Gum Bichromate Process
11:23
Gum-Over Cyanotype Print
14:27
Rawlins Oil Printing
7:19
Gomme bichromatée - démo / gum bichromate print
25:19
La stampa al Carbone, Giacomo Barazzoni
6:54
Gum bichromate process by Stephane Noel
6:26
Le papier salé
16:58
Sizing Paper for Alternative Process Photographic Printing - Gum Over Platinum Printing - Addendum-1
11:55