Favorite this☆ Billings engine Description: View of a Billings engine. Handwritten on back: "Original photo of steam compound 4 cyl. auto engine owned by Fred C. Billings who gave me photo 7-1-47, covered by patents." Details Resource ID: na050717 Subject: Automobiles--Motors Steam-engines, Compound Photographic prints Date Issued: 1947 Format: 1 photographic print ; 7.25 x 8 in. Member of: National Automotive History Collection Filing Location: Engines--Billings Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.