The furnace produced pig and bar iron and during the American Revolution cannons, ballshot, and other military equipment.

The mill building is a three-story, stone structure with the overshot wheel located inside.

Attached to it is a large, brick gambrel roofed warehouse added in 1912.

[1] See Benjamin F. Fackenthal, The Durham Iron Works: Durham Township, Bucks County, Pennsylvania read at a meeting of the Friends Historical Association of Philadelphia, 10 June 1922 (Holicong, PA: Buckingham Friends Meeting House, 1937).

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