National Geographic : 1926 Nov
N\BuXrA NEW RAutomatic Bookkeeping Machine THE DUPLEX S U BTRACTOR Many Styles and Sizes for Various Applications Requires Fewer Operations! Prior to any public announcement several million dollars worth of these machines have been sold and installed. They have already been tried and proved-and in the opinion of business men, have justified all that we claim for them. In Accounts Receivable and Payable,the Duplex-Subtractor saves time, pre vents errors and gives proofs of accuracy hitherto unavailable. In Distributionit offers a new and speedier method of posting. For Banks it eliminates call-backs, old and new balance proofs and omitted items. It offers important new developments in keeping Stock Records whether quantity and value or quantity only are handled. In Payrollsand in a host of other applications the Duplex-Subtractor affords new and greater savings. Have this new automatic bookkeeping machine demonstrated on your own work. Phone the nearest Burroughs office or write us direct for full information. BURROUGHS ADDING MACHINE COMPANY 6574 SECOND BLVD. . . DETROIT, MICHIGAN Burroughs Adding Machine of Canada, Limited, Windsor, Ont. Sales and Service Offices in all the Principal Cities of the World i O I ]"