
Henry Thomas Tizard, Alfred L. Loomis and Lee Alvin DuBridge, 1949

Description
Henry Thomas Tizard, Alfred L. Loomis and Lee AlvinDuBridge examine a magnetron on a the table in front of him.
Original caption: "L - R: Alfred L. Loomis, Sir Henry Tizard, Lee DuBridge with British Magnetron in 1949", "RADAR materials, ect."