
Bobby Jones, high-speed photography, golfing - 1938 (?)

Description
Multiple flash photograph of golfer Bobby Jones as he swings his driver; photographed at 100 flashes per second at an exposure time of 1/100,000 of a second. This photograph (likely taken in 1938) reveals that the ball velocity is 225 feet per second; the club velocity before impact, 166 feet per second; after impact, 114 feet per second. (See "Flash! Seeing the Unseen by Ultra-Flash Photography" (1939/1954), p. 63). (CC)
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