Instructions for Operating the Model 3 A Pattern 16 Comptograph Adding and Listing Machine

Object Details

Location
Currently not on view
Data Source
National Museum of American History
date made
1910
Credit Line
Douglas D. and Lloyd Morgan
Measurements
overall: 6 7/8 in x 5 1/8 in x 1/16 in; 17.4625 cm x 13.0175 cm x .15875 cm
Object Name
Pamphlet
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