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Welcome to Vintage Thermos Designs!
Do you have a vintage thermos with an unusual stopper, spout, or handle worth a closer look? Browse the anatomy, archive, and collection sections, then add your own notes or questions about the designs you encounter.
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Thermos Stopper Mechanisms
Discuss stopper mechanisms on vintage thermos flasks, including cork, plastic, and screw types, and how their shapes and fits vary.
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