1592953041000 1312632483000 term-29295 1616541595069 1312632519000 1616290625960 adlib fitz-online adlib-term-29295 f423768a-16e8-39fd-a541-8e59fd61b415 2 1 scope note An iron process largely used for reproducing technical drawings; produces an image in black. The image is developed out with gallic acid and is fixed by washing in water. K.KT.AFU.ALO.DOI.BOK.ARI.ARI.BIQ 1 code K.KT.AFU.ALO.DOI.BOK.ARI.ARI.BIQ 1 ferrogallic process reference term-29312 adlib-term-29312 fc065c6a-f541-3a33-a44d-8df185b95a2a <light-sensitive reprographic processes> reference term-28982 adlib-term-28982 3b273ea5-7688-3b46-be02-289b8cb2113f iron processes ferrogallic process term