Martres Suresnes Logarithmic Circle
Mercedes Calculating Machine
Michelson and Stratton's Harmonic Analyzer
The Millionaire Calculating Machine
Moko Lightning Pocketwatch Calculator
Morland Trigonometric Calculator
The Pascal Calculating Machine (replica)
Scheutz Difference Engine
Tachypolyplasiasme Multiplication Table
Thacher's Cylindrical Slide Rule
Thomas de Colmar "Piano" Arithmometer
Universal Interest Calculating Table
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