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Abacus
Hahn Calculator
Hill Arithmometer
Hollerith Tabulator & Sorter Box
IBM 550
IBM Industrial Scale
IBM PC Convertible
IBM System/360 Model 75 Console
IBM World Clock Globe Atlas
Leupold Calculating Machine
Marchant Calculator
Maurel & Jayet Arithmometer
Midget Brunsviga
Peerless Calculator
SAGE Magnetic Core Array
SSEC Control Desk
Tate-Layton's Improved Arithmometer
Thacher's Cylindrical Slide Rule
TIM Calculator
