
Michael K. Martin with engine

Description
Michael K. Martin posed holding the Wankel Rotary engine. Original caption: "Michael K. Martin, 1973, poses with the Wankel Rotary Engine." Used in: Tech Talk, December 13 1972.
Michael K. Martin posed holding the Wankel Rotary engine. Original caption: "Michael K. Martin, 1973, poses with the Wankel Rotary Engine." Used in: Tech Talk, December 13 1972.