Skip to main content


Date Innovations City Country State Society
between 1842 and the Baltimore & Ohio Roundhouse & Shop Complex Martinsburg USA WV ASCE
1870 Fink Deck Truss Bridge Lynchburg USA VI ASCE

We hope you enjoyed this essay.

Please support America's only magazine of the history of engineering and innovation, and the volunteers that sustain it with a donation to Invention & Technology.


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