Ruler to draw drawings on paper models for cutting of textiles (Machine-translation by Google Translate, not legally binding)

摘要

Rule to trace models of drawings on paper intended for cutting textiles, characterized for being built on material rigid and dull, with a bottom and the front fully straight 60 cm long, divided on scale of cms and ending in two angles 90j, one of them 9 cm high, and the opposite of 4 cms, and starting point of both angles and to the center, van two corners juxtaposed with a concave cavity and a convex, being more pronounced that portion of angle whose height is 9 cms. (Machine-translation by Google Translate, not legally binding)