Abstract: The firm of William Shinn & Co. installed stamped sheet-metal ceilings, cornices, skylights, roofing, and ductwork and employed about a dozen workers and apprentices. The company was founded in 1907 in Wilmington, Delaware by William Shinn (1883-1947), a tinsmith and cornice worker, and his brother John A. Shinn (1885-1955). This collection contains mages of the William Shinn shop with attached office and another view of their rooftop sign on the Shinn warehouse. There are interior and exterior views of the house of customer.