1948 Burroughs Adding Machine Co Business Nimble Fingers Vintage Print Ad

1955 Burroughs Sensimatic Accounting Machine Detroit Mich Panels VTG Print Ad

1948 Victor Adding Machine Co Chicago Versatile Features Business VTG Print Ad

Burroughs Adding Machine Co Detroit Mich Business Automatic VTG Print Ad 1952

1951 Burroughs Adding Machine Co Detroit Sensimatic Accounting Vintage Print Ad

1948 Victor Adding Machines Chicago IL Credit Balance Automatic VTG Print Ad

1952 Victor Adding Machine Co Chicago Super Quiet Custom 42 Models VTG Print Ad

1967 RCA Research Labs Luminescence Ultraviolet Through Infrared Tests Print Ad