| 摘要 |
A pair of reels holding endless loops of film, and magnetic recording tape, respectively, are nested wholly, or partly with one reel located within an unobstructed space beneath the rim of the other; when partly nested (FIGS. 2-4) the film reel rotates about an axis inclined with respect to the axis of tape reel, so that the film reel dips (through an opening in a central support) into the unobstructed space within the tape reel to enable the lower edge of film to clear the diametrically opposed upper edge of the reel. When wholly nested (FIGS. 1a and 1b), one reel (either film or tape) is nested completely within the other with co-planar axes of rotation, the film and tape being taken off and guided to projection and reproduction positions, respectively.
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