New cash register, indicator and adding of sales or operations, characterized by the displacement of one of the knobs at the ends of the toothed sectors (whose quantity depends on the capacity of the machine), which rotate on the axis, they mesh with their respective wheels, fixed to the drums. These, are numbered from 0 to 9, whose numbers are visible in the windows (installed in the front and back of the machine), indicating the figure to be added. In addition, the drum is attached to another identical drum, which is located so that its numbers reach a window, existing in the back of the machine. In addition to the tables that indian in the knob where it must be placed to perform the operation, the same teeth of the sector also indicate by touch the point at which you have to leave the aforementioned knob, by the roller located at the end of the lever that , turning press gently, by means of a spring, the aforementioned teeth. (Machine-translation by Google Translate, not legally binding)
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