{"id":4527301689482,"title":"Authentic Bethlehem Steel patent for Tractor-Truck Gearing (Filed July 8th 1925)","handle":"authentic-bethlehem-steel-patent-for-tractor-truck-gearing","description":"

Many of the methods and devices now in general use in the manufacture of iron and steel had their birthplace at Bethlehem Steel. Ingenuity and engineering skills shown in its many designs and vast collection of patents.

Bethlehem Steel R&D Dept. Office memo signed off review indicates missing detail.

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Bethlehem Steel R&D Dept. Office memo signed off review indicates missing detail.