1592954314000 1312632483000 term-99932 1616541289928 1312632601000 1616290540433 adlib fitz-online adlib-term-99932 7dca1e18-3948-30a1-b879-2e52b9c032af 2 1 scope note A variant of the wet collodion process to produce a direct-positive camera original. The collodion is coated on glass, the image underexposed and then underdeveloped, the glass backed with black lacquer or black cloth, and the whole mounted in a case or frame. Occasionally, the image was made on ruby glass. reference term-99933 adlib-term-99933 8241a82a-88bc-30f2-922b-e12b946999ec ambrotypes K.KT.AFU.ALO.DOI.EFQ.ALO.AXC.ALO.AFU 1 code K.KT.AFU.ALO.DOI.EFQ.ALO.AXC.ALO.AFU 1 ambrotype reference term-29677 adlib-term-29677 e5b29d41-ed15-3051-9f27-b5395846bfb3 wet collodion process ambrotype term