I was perusing the 1914 Kodak catalog, and came across the Brownie developing box for No. 2 (aka 120) film. It looks like a clever contraption, allowing a roll of 120 to be loaded in the daylight. A crank apparatus winds the film out for processing once the lid has been snapped on the top.

Has anyone used one of these? If it works as advertised, it would be a convenient way to process single rolls of 120....