View post: 1972 Chevrolet Corvette For Sale In Great Condition & Priced At $… Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

3M model 12 “Aztec “ portable thermoelectric generator. Donor’s father worked on the project to design and make this unit at 3M. Printed on front: “3M Company”. Molded on base front: “3M Brand Thermo ...