Title
Early Calculating Devices - Moon-Hopkins Billing and Bookkeeping MachineCatalog Number
102704298Type
Still ImageDescription
B&W image of a drawing of the Moon Hopkins Billing and Bookkeeping Machine. It shows the two keyboards carriage, etc of the machine.Dimensions
overall: 5 in x 4 inCategory
Identification photographCredit
Courtesy of Gwen BellLot Number
X7413.2015