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| From 1790 to 1880, anyone
applying to the U.S. Patent Office was required to submit a working model of
the invention. Patent models were to be no more than 12 inches square, with
paperwork and diagrams explaining the item's purpose, construction and
operation. Click on an image below to see a larger view and description. You
can also search a partial database of over 700
models in the Rothschild Petersen collection.
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Copyright © 2001 Alan Rothschild. All rights
reserved.
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