Innovations
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| 1799 | Potowmack Canal and Locks | Fairfax County | USA | VA | ASCE |
| 1794 | Springfield Armory | Springfield | USA | MA | ASME |
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| 1799 | Potowmack Canal and Locks | Fairfax County | USA | VA | ASCE |
| 1794 | Springfield Armory | Springfield | USA | MA | ASME |