Cartabon with a perfected level, for masonry and construction work in general, especially for stage layout. (Machine-translation by Google Translate, not legally binding)

摘要

Cartabon level incorporated improved to bricklaying and construction in general, especially for the layout of stairs, characterized by its form consisting of a surface triangular rectangular (3) whose legs (1) have a thin strip having recorded a scale in centimeters or millimeters. Between the surface (3) and hicks (1) there is a longitudinal groove (2) scheduled for hicks is embutan in rules magnetised or windy (10) prismatic shape having a mortise cross, bevel is attached to rules (10) by a screw (11) located next mayor hick angle and the hypotenuse bevel. (Machine-translation by Google Translate, not legally binding)