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July 1900 Mining and Scientific Press
Truax Denver tag 001
Truax Automatic Ore Cars Offered in 1898 Hendrie & Bolthoff Catalogue No. 6
Truax Ore Car May 1902 Engineering and Mining Journal
Truax Ore Car Tag
  Truax Automatic Ore Car Patent.JPG  
Truax Ore Car Works Tag
Turtle Top Helmet
Tyler Standard Screens
Tyler Screen 100 Mesh
Tyler Screen 200 Mesh

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