Favorite this☆ Engine, Chadwick automobile Description: View of a Chadwick car engine. Handwritten on front: "20 hp, Chad." Stamped on back: "Fairmount Engineering Works, 2652 Callowhill St., Phila." Handwritten on back: "Chadwick, app. 1904." Details Resource ID: na042879 Subject: Automobiles--Motors Chadwick Engineering Works Photographic prints Date Issued: Unknown year Format: 1 photographic print ; 4 x 5 in. Member of: National Automotive History Collection Filing Location: Chadwick Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.