Wilbert Smith Archives Files Box 1136 09 1136-09-p017

Document Text (OCR)

1000 man-hours of professional and sub-professional time in the preparation of graph plots of individual frams of the film, show- ing apparent and relative motion of objects and variation in their light intensity. It was the opinion of the P.I.L. representatives that the objects sighted were not birds, balloons or aircraft, were "not reflections because there was no blinking while passing through 60° of arc” and were, therefore, "self-luminous". Plots of motion and variation in light intensity...