A cash register is a mechanical or electronic evice for calculating and recording sales transactions, and an attached cash drawer for storing currency. The cash register also usually prints a receipt for the customer.
Trivia about cash register
You better pay up after hearing the bell on this
In 1879 James A. Ritty invented this machine, & retailers have been ringing up sales ever since
To tap a till is to take money out of one of these
In 1879 Dayton's James Ritty made a "mechanical drawer" that was developed into NCR products; NCR, "National" this