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2 Calculating Machines and 2 Posters...
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Calculating Machines and Calculating Aids...
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Mercedes Euklid Model 1 Proportional-Lever Ca...
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Curta Type I Calculator, 1968...
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Curta Type II Calculator (Light-Gray), 1964...
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Madas VIII Calculating Machine, 1913 onwards...
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Madas Superautomat VII eTA Tomis, 1927 onward...
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Layton's Improved Arithmometer, 1910...
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Precision Model of a Quadruple-Expansion Comp...
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Working Model of a Horizontal Four-Stroke Ott...
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Steam Engine Boiler, c. 1980...
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Model of an Easton and Anderson Grasshopper H...
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Stuart Turner No. 3 Compound Twin Cylinder Ma...
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4 Steam Engines, c. 1980...
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Poppet Valve Model Steam Engine, c. 1985...
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Bing Live-Steam Traction Engine No. 10/117/1,...
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OMC-2 Beam Engine Series Two...
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2 English Model Steam Engines...
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Two-Cylinder Hot-Air Engine with Water Pump, ...
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Model of a Horizontal Two-Cylinder Boxer Engi...
