[This article was first published in Army Sustainment Professional Bulletin, which was then called Army Logistician, volume 2, number 4 (July–August 1970), pages 18–21. The text is reproduced as ...
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 ...
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