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Symposium on New Motion Picture Apparatus 563
A reel (for use with amateur standard film) that requires no threading has been developed by the Eastman Kodak Company to overcome these disadvantages. The new reel grips the sides of the film by spring action when half a turn of film has been laid on the core.
Fig. 1. New 16 mm. film reel which requires no threading with one side piece and one spring removed.
The new principle has been applied so far only to light metal reels which hold 100 feet of 16 mm. film for projection. But it is applicable also the heavier, solid-sides spools for camera use and to 400-foot reels for projector use.
The new reels are made by the addition of a radial spring at each end of the core of the reel inside the flanges. The eight tips of each spring extend slightly beyond the core.
When the film is laid on the core, it depresses the spring tips and causes them to retain thereby a constant tension against the edges of the film. When half a turn has been taken around the core, the film cannot bulge, and the springs therefore, have as rigid a ribbon to press against as if the film were of metal. Consequently, the grip of the spring tips is firm.
KODALITE*
The Eastman Kodak Company has recently announced a lighting unit which permits the use of Cine-Kodaks indoors at/ 3.5 without overloading the ordinary house lighting circuit, which is fused at 10 amperes (Fig. 1). Two of these lights, placed to meet the requirements of the individual user, are sufficient to illuminate the Cine-Kodak field up to a distance of 10 or 12 feet. The designing of such a lamp necessitated extremely efficient use of the available wattage.
* Eastman Kodak Company, Rochester, N. Y.