1958 Press Photo Dorothy Strickler, technician at the Westinghouse Lab

Miss Dorothy Strickler, technician at the Westinghouse Research Laboratories, converts a piece of ordinary household-type aluminum foil into a film of aluminum oxide less than a millionth of an inch in thickness. The films are used by Westinghouse scientist in the development of experimental electronic tubes.

Photo is dated 1958.

Photo measures 8 x 10.25 inches.