Favorite this☆ Walker electric truck, Hinckley & Schmitt Inc. Description: View of a Walker electric truck for Hinckley & Schmitt Inc. Painted on side of truck: "Hinckley & Schmitt Inc. Waukesha water, 420 W. Ontario St. White Rock water." Handwritten on back: "Walker electric." Details Resource ID: na049159 Subject: Electric trucks Walker Vehicle Co. Photographic prints Date Issued: Unknown year Format: 1 photographic print ; 4 x 5 in. Member of: National Automotive History Collection Filing Location: MS121/VanDegrift, Thomas, 15:5 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.