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1925 Burroughs Adding Machine 1926 Burrough's Adding Machine 1936 American Stationary Co. #1 1936 American Stationary Co. #2 1937 Addressograph Multilithing 1937 Monroe Calculator 1938 Mimeograph Machine 1940 Mimeograph Machines 1944 Mimeograph Copy Machines
1945 Dictaphone Dictation Machine 1946 Dictaphone Dictation Machine 1949 IBM Punch Clock 1951 Burrough's Adding Machine 1951 Remington Rand Calculator 1951 Victor Adding Machine 1953 Ditto Copy Machine 1953 Victor Adding Machine #1 1953 Victor Adding Machine #2 1955 Dictaphone Dictating Machine 1955 National Adding Machine 1955 Texcel Cellophane Tape 1955 Wood's Water Cooler 1956 NCR Calculator 1963 Apeco Photocopy Machine
