Description:
French sector made of brass with the following scales crudely engraved:
side a:
line of chords ("Les / Cordes")
line of solids ("Les / Solides")
metals ("Les / Metaux")
weight of shot (unlabeled)
side b:
line of equal parts ("Les Parties Egales")
line of planes (unlabeled)
line of polygons ("Les Poligones")
caliber of pieces (unlabeled)
The sector hinge has an engraving of a flower on each side. Scrollwork, friction blade fixed to the lower arm, in order to hold the arms at a set opening.