Double Square
From Inventions
Name used in the Renaissance (documented by Vincenzo Scamozzi).
Description
T-shaped drawing instrument combining the functions of the ruler (1) and the square.
Bibliographical Resources
Scamozzi, Vincenzo, L’idea della architettura universale, Venezia, 1615, Parte I, Lib. I, Cap. XV, p. 51: “Il T (rappresenta) la Squadra doppia”.
Images
Author of the entry: Filippo Camerota