John & James Dobson Carpet Mill (West Parcel), Building No. 10, 4041-4055 Ridge Avenue, Philadelphia, Philadelphia County, PA

Significance: Constructed in 1894, Building 10 reflects the architectural character of the Dobson Mill in its rubblestone construction. Originally serving as a dyehouse, the building was an integral part in the functioning of the mill's textile production. The building remains as an important structure to the Dobson Mill complex, marking the mill's expansion and growth from its founding in the mid-19th century.
Survey number: HABS PA-5383-J
Building/structure dates: 1894 Initial Construction
Building/structure dates: ca. 1900 Subsequent Work