CAMERAS 



77 



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Fig. 6^. Fig. 65. 



Fig. 6A. — Opaque screen projector recommended for continuous reference or reading 

 16-mm. film pictures. The projector is equipped with an advancing lever which advances 

 documents one picture at a time. It also has a winding crank which enables the operator 

 to move the film rapidly through the projector. 



Fig. 6-B. — ^Library-type projector for 35-mm. film records. 



Fig. QC. — Rerordak check and document recorder. 



