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Patent Model for Automated Postmarking and Canceling Stamps
From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.
About this work
This patent model demonstrates an invention for the automated cancelling of postal stamps. A cylinder was engraved with place and state names; the date was inserted in moveable type. The invention was granted patent number 121099.
National Museum of American History’s own descriptionCredit linePatent Model for Automated Postmarking and Canceling Stamps. ca 1871. Hargrave, Thomas C.. National Museum of American History. CC0.
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