Doc mentions that Robert Feicht from Wright Field arrived on 20 July for experiments with the night aerial photography flash.
Entry from July 23, 1942:
Doc notes that the B-24 for testing the night aerial photography flash arrived from Wright Field on 22 July.(JB)
Entry from July 26, 1942:
Over the weekend of 25-26 July, the night aerial flash was test fitted in a B-24 at the Boston airport.
night aerial photography
Feicht, Robert N.
Wright-Patterson Air Force Base, Dayton, Ohio