Journal of the Society of Motion Picture Engineers (1930-1949)

Record Details:

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1949 GUIDED-MISSILE PROGRAM 439 atmospheric transmission of light are being continued at the Ballistic Research Laboratories. Further development of long-focus motion Fig. 8 — Sample frames at 10-second intervals of tracking telescope record of A-4 missile during period of propulsion, showing changing jet structure. Corresponding slant ranges vary from 8 to 20 miles. picture instruments necessarily will depend upon progress in the guided-missile program. New problems of observation will furnish the guide line in research on methods of measurement.