"Very Rare Wrought Iron Archipendulum XVII Century"
Wrought and engraved iron plumb line level. Length 42 cm In good condition, Old solders visible A builder's instrument, the wire level is very old. It is made up of a triangle whose upper angle is 90°, at the top of which a plumb line is fixed. When the wire becomes a bisector of the summit angle, it indicates that the plane is indeed horizontal 
Le Magazine
Rivista Artiquariato
TRÉSORS magazine
