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Photograph

IBM 1620 data processing machine on display, Seattle World's Fair, 1962

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The behavior of an elastic ball bounced on a hard surface is mathematically simulated by an IBM 1620 data processing system and visually traced by a CalComp digital plotter linked to the computer. This 'bouncing ball' problem is demonstrated daily in the 'Tools of Science' area of the U.S. Science Exhibit at the World's Fair.

Stamped on verso: Roger Dudley, Commercial Photographer, PH. MA 2-8878 - Rm. 64 - Cobb Building, Seattle 1, Washington.

Caption by International Business Machines Corporation.
ID Number: 1965.3598.25.37
Date: 1962
Creator(s): Dudley, Roger, Photographer
Physical Description: 1 photographic print : b&w ; 10 x 8 in.
Additional Information: View the finding aid for this collection at https://archiveswest.orbiscascade.org/ark:80444/xv17999
Credit: MOHAI, Walter Straley Century 21 Exposition Photograph Collection, 1965.3598.25.37
Copyright: All Rights Reserved