Henry Disston and Sons, Keystone Saw, Tool, Steel, and File Works, Philadelphia, Pa.
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Henry Disston and Sons, Keystone Saw, Tool, Steel, and File Works, Philadelphia, Pa.
From Scharf, Thomas J., and Thompson Westcott, History of Philadelphia. 1609-1884. Philadelphia. L.H. Everts and Co., 1884. Image courtesy of Accessible Archives.