Contents: ALEXANDER T. NOBLE CHARITY. <SW 40 CANADIAN PATENTS—HOW NOT TO GET THEM. MUNN & COMPANY Editors and Proprietors., scientific american, 1869-03-27

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Contents: ALEXANDER T. NOBLE CHARITY. <SW 40 CANADIAN PATENTS—HOW NOT TO GET THEM. MUNN & COMPANY Editors and Proprietors., scientific american, 1869-03-27

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