Mesta Machine Company double helical tooth gear drive. 1905/1925.
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Mesta Machine Company double helical tooth gear drive. 1905/1925.
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Mesta Machine Company boring mill. 1905/1925.
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Hill Top Machine Works (Apr 15, 2023), Ralphxyz (Dec 27, 2022)
Mill control panel at the American Steel & Wire Co. Donora Works. 1915-1917.
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Open hearth ladle. Jones & Laughlin Steel Corporation. 1930.
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nova_robotics (Jan 10, 2023), Ralphxyz (Jan 13, 2023)
Autoclave with multiplate bulletproof glass. Pittsburgh Plate Glass Company. 1940.
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mr mikey (Jan 16, 2023)
Planer in the McKees Rocks Machine and Erecting Shop of the Pittsburgh and Lake Erie Railroad Company. April, 1904.
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Last edited by Jon; Jan 23, 2023 at 01:43 PM.
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Hill Top Machine Works (Apr 15, 2023), that_other_guy (Jan 23, 2023)
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