Item 8919 - Rolling shell, vertical boiler, Portland Company, ca. 1920

Item 8919 - Rolling shell, vertical boiler, Portland Company, ca. 1920
Contributed by Maine Historical Society
Item 8919
Rolling shell, vertical boiler, Portland Company, ca. 1920
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Rolling shell with a 120-inch diameter for a vertical boiler shown in the Portland Company workshops, ca. 1920.

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