High-quality black-and-white photographs of large old machines and tools

Squaring shears in a tin plate mill at the Mesta Machine Company. West Homestead, PA. 1905/1925.

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Air compressor for a Forth bridge caisson. May, 1884.

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Caisson, not "cassion".

28-inch Mesta Sheet Mill and 1200 horsepower Mesta gear drive. West Homestead, PA. 1910/1920.

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Charging floor of the Mesta Open Hearth Department. West Homestead, PA. 1905/1925.

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Horizontal Mesta single tandem gas blowing engine. West Homestead, PA. 1905/1925.

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Great Stuff. :thumbsup:

Interior view of the Mesta Machine Company plant. West Homestead, PA.

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Chilled iron rolls for plate mills, produced by the Mesta Machine Company. 1905/1925.

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Partially constructed Mesta engine. West Homestead, PA. 1905/1925.

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