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May 1929

A NEW AID IN TECHNICAL INSTRUCTION: The Use of Still Film in Place of Lantern Slides

Arch Otolaryngol. 1929;9(5):543-547. doi:10.1001/archotol.1929.00620030569008

My purpose in this communication is to bring to the attention of those members of the profession who up to the present time have used the customary lantern slides for illustrating their technical lectures or their scientific papers, the possibility of the employment of still films for the projection of such illustrations, and the very decided advantages of the latter method.

Still films are composed of a series of separate pictures on standard 35 mm. moving picture film. Each individual picture, or frame, as it is called technically, measures 18 mm. high and 24 mm. wide. Since each picture is so small, fifty of them may be taken on a length of film about 3 feet long. Thus one can have fifty illustrations, enough for a long lecture or paper, on a roll of film which can easily be carried in the coin pocket of one's coat.

Such a

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