OGANOG0123861
Alidade For Praetorian Tablet Brass Leather Suede France 18th Century
18th Century / 1701 - 1800
Brass alidade for a praetorian tablet, consisting of a flat rod, called a ruler, at the ends of which two pinnules with a pin for locking are hinged. Contained in an original leather and suede case on the inside.