Controllable numerator for formation of prices, references or similar. (Machine-translation by Google Translate, not legally binding)

摘要

Controllable numerator for formation of prices, references or similar, consisting of discoidal selection elements, with their own means for fixing, hanging, sitting or suspended in any way, which is characterized by having a front panel and a partial or total presenting the front a free zone for consignment of data and three aligned windows through which the figures inscribed on the discs are located in large characters and correspond in order to their alignment to the units, tens and hundreds. (Machine-translation by Google Translate, not legally binding)