Artifact Details Title Hollerith Census Machine Model Catalog Number X2375.2002 Type Physical object Description A scale model of the Hollerith Census Machine. It consists of four pieces, including a brass base, the lower red velvet covered wood base, pantograph type punch and card reader. Manufacturer Guatelli, Roberto Place Manufactured Unknown Dimensions Approx. 7 x 7 x 8 in. Category Ephemera/other Lot Number X2375.2002