Subject-matter index of patents for inventions issued by the United States Patent Office from 1790 to 1873, inclusive.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
New York :
Arno Press,
1976.
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| Series: | America in two centuries, an inventory.
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| Item Description: | On spine: Subject index of patents for inventions; 1790-1873. Reprint of the 1874 edition published by Government Printing Office, Washington. |
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| Physical Description: | 3 volumes (1951 pages) ; 26 cm. |
| ISBN: | 0405077378 |