The instruction manual for my No.2 Folding Brownie (circa 1920) gives recommended exposures using the Uniform Standard aperture and the cameras two speeds of 25 or 50. Are these speeds in fact 1/25 and 1/50? What is the speed of 120 Aoutographic film for that period? Thanks in advance.

-- Murray Fraser (murrayfraser@c4.com), February 23, 2002