4394061
9780764313462
Explore 600 years of caculating devices, from the abacus to the desk top computer, with valuable information for historians and collectors alike. With 500 color photographs, accurate captions, and a guide to current values, this will be an essential guide to collecting office machines.Russo, Thomas A. is the author of 'Antique Office Machines 600 Years of Calculating Devices' with ISBN 9780764313462 and ISBN 0764313460.
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