McGill Cash Register Patent Model

McGill, William C. · 1886

This is the patent model for U.S. patent 350,986, for a cash register. It has a pine box for a base and a wooden case that covers the mechanism and the back part of the box. Four notched metal wheels, mounted vertically, represent tens of dollars, dollars, tens of cents, and cents. Rotating the wheels forward enters digits, which appear in windows to the left of the wheels.