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In 1858, a New York City tinsmith named John L. Mason invented a machine that could cut threaded lids. He saw the potential for applying this to food preservation, an area that other innovators before him had tried and failed to improve. Mason designed a glass container setup with a threaded top, zinc lid and rubber ring. After this, the Mason jar took off in the city and country alike — canning was easier, safer, and more popular than ever. Even blenders were originally designed to fit...

Everyday Organic: A heart of glass

In 1858, a New York City tinsmith named John L. Mason invented a machine that could cut threaded lids. He saw the potential for applying this to food preservation, an area that other innovators before him had tried and failed to improve. Mason designed a glass container setup with a threaded top, zinc lid and rubber ring. After this, the Mason jar took off in the city and country alike — canning was easier, safer, and more popular than ever. Even blenders were originally designed to fit...

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