Patent Model - Improvement in Fruit-Jar Covers

Maker and role
John Mason (b.1832, d.1902), Patentee
Production date
Apr 01 1873
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Object detail

Media/Materials
Glass, metal, porcelain
Measurements
7 x 3 3/4" (17.8 x 9.5cm)
Description
Mason’s patent describes his improvements: “I am aware that cast-iron jars have been coated with enamel, and I do not claim, broadly, coating metal with enamel. But in my invention
I combine with a glass jar an elastic sheet-metal cover, which
can be spun up or punched and stamped into the required
size and shape, and coated with enamel or glass…” (Patent number 137,462)
Object number
61.47.128
Currently on display?
No

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