Favorite this☆ 1907 Chadwick Six automobile Description: View of a 1907 Chadwick Six roadster. Handwritten on front: "Chadwick Six, roadster, 1907." Stamped on back: "Chadwick Engineering Works. 3207 to 11 Spring Garden St., Philadelphia, Pa." Handwritten on back: "Chadwick." Details Resource ID: na042846 Subject: Automobiles Chadwick Engineering Works Photographic prints Date Issued: 1907 Format: 1 photographic print ; 8 x 10 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.