Favorite this☆ Spring, Chadwick automobile Description: View of front spring for a Chadwick car. Handwritten on front: "Chadwick patent front spring. Safest spring known. 1908-15. Note top leaf hinge." Handwritten on back: "Chadwick." Details Resource ID: na042893 Subject: Automobiles--Springs and suspension Chadwick Engineering Works Photographic prints Date Issued: Unknown year Format: 1 photographic print mounted on fabric ; 7.25 x 9.25 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.