Artifact Details Title Millionaire's Mechanical Calculator Catalog Number XB91.76 Type Physical object Date ca. 1910 Manufacturer Hans W. Egli Co Place Manufactured Switzerland Identifying Numbers Serial number 1073 Dimensions overall: 16 in x 25 1/2 in x 16 in Category Calculator/electromechanical Subject Mechanical calculation; Steiger, Otto; Egli, Hans W. Collection Title Gwen Bell artifact and book collection Series Title Pre-computing artifacts Credit Gift of Gwen and C. Gordon Bell Lot Number X6288.2012 Related Records 102798274 Millionaire 102677149Millionaire mechanical calculator face plate 102677148 Millionaire mechanical calculator face plate 102677150Millionaire mechanical calculator number input slide switch XB91.76A Millionaire's Mechanical Calculator floor stand