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Excerpt from Brown Alumni Monthly, Vol. 36: December, 1935
Filming a copy of a reserved book which was in great demand at examination time was tried as an experiment last spring to test the feasibility of photographing books. A miniature camera was used to photograph successive pages Of the volume. The film, 35 mm. In size, was on a reel and similar to the film used for making moving pictures. When the photographing was finished, the library was able to flash a reel of film pages on a screen in consecutive order, while groups of students read the text simultaneously. The projector was operated by electricity. Each photo, graphed page was changed automatically at regular intervals.
Special texts and other material of interest particularly to research students, who also required the same sources of information at the same time, were copied by film and studied from the screen.
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