Scope and content Letters, advertisements, and clippings pertaining to Pattison's Improved Oscillating Engine, and his work on iron-clad vessels for Corning, Winslow & Co.; also letters from Syracuse, New York to his sister and brother-in-law Anita and John Whittle of Chorley, England, regarding his writing on engineering subjects, his interest in several railroad and canal projects, and in particular a projected railroad across the Isthmus of Panama (1868-1869), his attempts to promote his projects with...