This large, nickel-plated, manually operated cash register is an NCR Model 79. It has three columns of keys for entering numbers, and a fourth column of function keys. The operating crank is on the right side, the cash drawer is below, and a receipt dispenser on the left side. Pop-up indicators above the keys indicate the total purchase. The Model 79 was introduced by NCR in 1892, this example dates from 1894. Principles introduced with this cash register would prove important on numerous later NCR cash registers. For a model of part of the mechanism of this machine, see MA.316703.
Richard R. Crandall and Sam Robins, The Incorruptible Cashier, vol. 2, Vestal, N.Y.: Vestal Press (1990), pp. 157–169.
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