| 摘要 |
A daylight developing tank of roll films for simultaneously developing a plurality of comparatively short roll films. The tank includes a spool having a plurality of film-holding grooves, each of which grooves holds a film only at the upper and lower edges thereof. Film retainers are secured to the film-holding grooves, respectively, for retaining the outermost end of each film being loaded in a cassette, which cassette is disposed adjacent the spool during the development.
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