Browse Items (1 total) Tags: BS270 Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Photos of the Illinois Bell Interior and Exterior, and old dial phone. Photo of the interior of the Illinois Bell Telephone Co. Photo of telephone operators at work. Photo of the exterior of the Illinois Bell Telephone Office Building on E. Main St. later became Illinois Power Co. Tags: BS1688, Bs269, BS270, Buildings, Business, Decatur Business 977.358A p97, Decatur IL., E. Main St., Illinois Bell telephone, Illinois Power Co., Noel C. Dicks, Photo File: Business, Telephone Co., Telephone Operators