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| Field name | Value |
|---|---|
| Collection Reference Number | GLC00064 |
| From Archive Folder | Patents for inventions |
| Title | Patent for Matthias Baldwin's improvements in steam engine cut-off valves |
| Date | 13 September 1853 |
| Author | McClelland, Robert (1807-1880) |
| Additional authors | Baldwin, Matthias W. (Matthias William) (1795-1866) Mason, Charles (1804-1882) McKinley, Daniel (fl. 1853) Simpson, Henry (1790-1868) |
| Document Type | Legal document |
| Content Description | Signed by McClelland as Secretary of the Interior. Countersigned by Charles Mason as Commissioner of Patents. Baldwin's written description of his improvement is signed by Henry Simpson and Daniel McKinley as witnesses. Includes a one page diagram depicting Baldwin's invention. Contains a paper seal and light blue ribbon. |
| Subjects | President Steam Science and Technology Patent |
| People | Baldwin, Matthias William (1795-1866) Mason, Charles (1804-1882) McClelland, Robert (1807-1880) McKinley, Daniel (fl. 1853) Simpson, Henry (1790-1868) |
| Place written | Washington, D.C. |
| Theme | Law; Science, Technology, Invention; The Presidency |
| Sub-collection | The Gilder Lehrman Collection, 1493-1859 |
| Additional Information | Matthias W. Baldwin (1795-1866), pioneer in steam locomotion and founder of Baldwin Locomotive works, was a prominent industrialist and philanthropist. Baldwin built "Old Ironsides," the first locomotive to carry passengers. |
| Copyright | The Gilder Lehrman Institute of American History |
| Module | Settlement, Commerce, Revolution and Reform: 1493-1859 |