The History of Cash Registers - An exhibit companion from the Museum of American Heritage provides a historical overview of the cash register, its predecessor, the cash drawer and a brief history of the National Cash Register Company. - http://www.moah.org/exhibits/archives/kaching.html
Cash Register Sales,Service & Supply Inc - Supplier of new, used and antique cash registers, parts and supplies including paper rolls and ink products. - http://www.cashregisterman.com/index.htm#topofpage
The Brass Cash Register Shoppe - Specializes in parts, repair & Restoration of antique fancy brass cash registers, or woodcase cash registers. Free appraisal. Buy or sell your cash register. - http://brasscashregisters.com/