Innovations
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| 1877 | Duquesne Incline | Pittsburgh | USA | PA | ASME |
| 1891 | Johnstown Incline | Johnstown | USA | PA | ASME |
| 1870 | Monongahela Incline | Pittsburgh | USA | PA | ASME |
| Date | Innovations | City | Country | State | Society |
|---|---|---|---|---|---|
| 1877 | Duquesne Incline | Pittsburgh | USA | PA | ASME |
| 1891 | Johnstown Incline | Johnstown | USA | PA | ASME |
| 1870 | Monongahela Incline | Pittsburgh | USA | PA | ASME |