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Heintz & Kaufman Gammatron Type 354 package

Gammatron 354 box

Heintz & Kaufman Gammatron Type 354 package, c. 1936 (Gift of Victoria Stone Velsey)

Posted on June 5, 2017June 5, 2017Full size 2439 × 4787

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Published inHeintz & Kaufman Gammatron Type 354 package
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