Original oil and gas service station industry trade magazine vintage article for STANDARD OIL OF OHIO.  Sohio Launches IBM Credit Card System. Simplan system combines invoicing and customer identification for IBM processing in one operation when sale is completed at the pump island.  Vinyl plastic credit cards serve as a master copy for imprinting and IBM perforation.  Manufactured by Bobrich Products Corporation of New York City, NY.  Used by British American Oil Corporation, General Petroleum, Continental, Sun, Ashland, Crown Central, Reliance, Supertest, Trinidad and Pure.  Old 1955 gasoline service station magazine article.