1. the Comptometer is four multiplication For times as rapid, and for ^a*. twice as rapid as the most expert mental addition computer. In hundreds of Railroad and Insurance offices it is saving the fciijg Ceipei)t salary of several clerks for each Comptometer in service, and fwmmmwm accounts are… … ai)d AppHai^ces. SIX WINDINGS Now is the time to subscribe to the will keep a PrentiBB Clock running a SCIENTIFIC AMERICAN year. It is the strongest on the market, Pamphlet No. 32f, " CEMENT TESTING," mailed keeps perfect time and automatically shows the correct date. for the year 1902 Also…
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