1592954314000 1312632483000 term-99933 1616541300703 1312632601000 1616290166669 adlib fitz-online adlib-term-99933 8241a82a-88bc-30f2-922b-e12b946999ec 2 1 scope note Photographs produced by mounting a negative (made by a variant of the wet collodion process) that is on glass with a dark backing, which makes the image appear as a positive. reference term-99932 adlib-term-99932 7dca1e18-3948-30a1-b879-2e52b9c032af ambrotype V.VC.AFU.AXC.FOG.AFU.ALO.AFU.AFU 1 code V.VC.AFU.AXC.FOG.AFU.ALO.AFU.AFU 1 ambrotypes reference term-99966 adlib-term-99966 8974edca-b13d-3a3e-9a69-f8fd7da72b70 direct positives ambrotypes term