- 1.25 linear feet
- Henry Renno Heyl (1842-1919) was an inventor active in Philadelphia, Pennsylvania. Heyl was a longtime member of The Franklin Institute and is best known for creating the phasmatrope, an early simulation of moving pictures, and receiving the first United States patent for a stapler. Henry R. Heyl papers, 1876-1917, consist of numerous patents, drawings and explanations of Heyl's inventions. There is a large amount of materials pertaining to his paper milk bottle and wire book sewing machine inventions. Also included are some photographs and a glass plate negative, a scrapbook, correspondence, graphs, diagrams and blueprints, notes, reports, notebooks, manuals, and books.
Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]