Vacuum Flask. Dewar Flask Or Thermos Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 53555715.
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James Dewar's ( 1842-1923) inventor of the vacuum flask. His old flasks, top, and new flasks. From his ''Liquid Atmospheric Air'', London, 1893 Stock Photo - Alamy
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Dewar Or Vacuum Flask Fully Labelled Diagram With Editable Layers. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 32555670.