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IBM Archives > Exhibits > Antique attic, vol. 2 > Artifacts list for vol. 2 > 

Burrough's Duplex

Adding and Accounting Machine

 
 
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Burroughs Duplex Adding and Accounting Machine
 
This machine has two adding counters arranged so that two separate sets of totals may be carried simultaneously. The total may be cleared from either counter by the operator without disturbing the total in the other counter. The counters are interoperative so that two or more groups of figures may be listed and totaled individually and the grand total accumulated and printed.