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Scientific American, Vol. 28, No. 8 (1873) (1873)

leaf 13

An illustration from Scientific American, Vol. 28, No. 8 (1873), 1873, leaf 13
Srientitic Aiterican, [Fepruary 22, 1873, 124 … On filing a Disclaimer............. PUBLISHERS 245 Broadway, ten year patents may be extended to the term of fifteen On an application for Design (3% years).. _ Send for Catalogue of all books years. The formalities for extension are simple and not =on Architecture, Agriculture, Field On an…

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