|Ritchie|| ||Philadelphia||Pennsylvania||1800s|| |
| || || |
| || |
Worked first fo the Virginia Manufactory as well as Deringer, Nippes, Steinman, Watt and WInner.
They became the backbone of the new arms manufacturing on 1808. The Secretary of War, Mr. Coxe
wrote on October 2, 1808 "You will observe that the Virginia Armory has operated as a school, &
that the present contracts of the U.S. prevent the benefits of it from being lost."
Ritchie arrived in Philadelphia around 1808.