A mechanical device adaptable to the writing machines, indicator of the space that resets to mechanograph (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the object of the main patent no. 210497 which refers to: a mechanical device adaptable to the typewriters indicator of the space remaining to be typed, characterized in that it is constituted by a ring-shaped steel tape equipped with a scale graduated indicator of spaces further characterized because by a slight pressure exerted on said ring is fitted in the housing carried on its periphery the control terminal of the drum. (Machine-translation by Google Translate, not legally binding)