Displaying results 1 of 5 - 5
Date Innovation City State Country Society
1877 Duquesne Incline Pittsburgh PA USA ASME
1870 Monongahela Incline Pittsburgh PA USA ASME
1883 Smithfield Street Bridge Pittsburgh PA USA ASCE
1962 Legacy of Rachel Carson’s Silent Spring Pittsburgh PA USA ACS
1937 Mellon Institute of Industrial Research, Carnegie Mellon University Pittsburgh PA USA ACS
Displaying results 1 of 5 - 5

We hope you enjoyed this essay.

Please support this 70-year tradition of trusted historical writing and the volunteers that sustain it with a donation to American Heritage.

Donate

Help us save
Stay informed - subscribe to our newsletter.
The subscriber's email address.