Displaying results 1 of 1 - 1
Date Innovation City State Country Society
1887 Northern Pacific Rotary Snow Plow #2 Duluth MN USA ASME
Displaying results 1 of 1 - 1

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.

Donate

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