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EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552785.tif - US National Archives bot

EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552772.jpg - US National Archives bot

EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552773.jpg - US National Archives bot

EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552785.jpg - US National Archives bot

EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552786.jpg - US National Archives bot

EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552793.jpg - US National Archives bot

EXHIBIT AT THE FIRST SYMPOSIUM ON LOW POLLUTION POWER SYSTEMS DEVELOPMENT HELD AT THE MARRIOTT MOTOR INN, ANN ARBOR... - NARA - 552800.jpg - US National Archives bot