This was then placed in register with a viewing screen of the same type as used for exposure, to produce a limited-colour transparency that could be viewed by transmitted light.
12.
I remember some early ( 1950's ) colour transparency films had an extended infrared response and, depending on the dress material, would sometimes reveal a lady's underclothing and legs outline that was not visible to the naked eye, generally blury because of lens chromatic aberation.
