December 1874 Issue [Article] The first century of the republic. (Second paper.) Mechanical progress.–I Adjust Share by Edward Henry Knight, This article is only available as a PDF to subscribers. Download PDF Tags 18th century 19th century Agricultural machinery Cotton manufacture Mechanical engineering Steam locomotives Steam-navigation United States More from Edward Henry Knight The mariners’ “cautionary signal” The first century of the republic. (Fifth paper.) Mechanical progress. (Concluded.) Printing The first century of the republic. (Fourth paper.) Mechanical progress.–III Adjust Share