Set of rules to make models of drawings on paper intended for the cutting of textiles (Machine-translation by Google Translate, not legally binding)

摘要

Set of rules for drawing patterns of paper on textile cutting, characterized by consisting of two parts, a rule of opaque material and a transparent one, which are held in a point on which they both rotate forming all kinds of angles from 0º to 360º numbered according to the metric system and capable of coupling with other measures; the opaque ruler on its straight side and on the front and back has divisions of 1 mm., until completing the total length, also at its upper end and also on both sides divisions of 1 mm., to complete its width of 8 mm. It also carries from its upper end, a slight downward curve, which widens sharply in a sharp curve; inside it has a perforation for small sizes. (Machine-translation by Google Translate, not legally binding)