The full content of this document is only available to subscribing institutions. More information can be found via www.amdigital.co.uk
If you believe you should have access to this document, click here to Login.
| Field name | Value |
|---|---|
| Collection Reference Number | GLC00687.205 |
| From Archive Folder | Papers of George May Powell |
| Title | Powell's Patent Multiscope |
| Date | n.d. |
| Author | Powell, George May (1835-1905) |
| Document Type | Business and financial document; Legal document |
| Content Description | He proposes a substitute for the expensive calcium light for viewing images, with an object that uses either sunlight or lamp light using a graphoscope, inserting a stereoscopic lens. Different lenses allow for different uses, including microscope, telescope, etc. |
| Subjects | Science and Technology Patent Invention |
| People | Powell, George May (1835-1905) |
| Theme | Law; Science, Technology, Invention |
| Sub-collection | The Gilder Lehrman Collection, 1860-1945 |
| Additional Information | Powell was a Lincoln supporter and served as a statistician in the Treasury Department during the Civil War. Active in religious work as a young man, he was the secretary and manager of the Evangelistic Press Association and led a topographical corps through Egypt and North Africa to create Sunday School maps of Palestine and the Holy Land. Powell participated in the American Forestry Commission, the Grange and Patrons of Husbandry, the American Academy of Political and Social Sciences, and the National Geographic Society. He was active in Sabbath reform work. |
| Copyright | The Gilder Lehrman Institute of American History |
| Module | Civil War, Reconstruction and the Modern Era: 1860-1945 |