Carpenter, self-designated "toolmaker of Lancaster," submitted patents for the improvement of wood planes between 1831 and 1849. Examples of Carpenter's work, always stamped as shown in figure 27, survive, both dated and undated.
"Woodworking Tools 1600-1900"
Peter C. Welsh
Moving there in 1890, he obtained for his brother a position as toolmaker with the Ames Company.
"The 1893 Duryea Automobile In the Museum of History and Technology"
Don H. Berkebile