Thermos Vacuum Flask Patent Print
Patent No. US872795 · 1907
Invented by William Walker / American Thermos Bottle Co.

Vintage 1907 patent drawing of the thermos vacuum flask by William Walker / American Thermos Bottle Co.. Museum-quality archival giclée print.
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About This Print
Vintage 1907 patent drawing of the thermos vacuum flask by William Walker / American Thermos Bottle Co.. Museum-quality archival giclée print.
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