Favorite this☆ Twin Coach bus, Philadelphia Transportation Company Description: View of a Twin Coach bus for the Philadelphia Transportation Company. Handwritten on back: "Philadelphia Transportation Co. Twin Coach." Details Resource ID: na050199 Subject: Buses Philadelphia Transportation Company Twin Coach 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, 13:4 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.