»Quixsum Fractional Adding Machine Mod. C«, 1924
 Large manual adder with 4 calculating discs ("Fractions", "Inches", "Feet" and "Hundreds") and tens transfer. Extremely rare, not to be found in Europe! 
Estimate: € 1,000/1,500
US$ 1,400/2,100
Reserve: € 850/US$ 1,190
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