Description:
French sector made of brass with the following scales:
side a:
line of equal parts ("les parties Egalles")
metals ("les / metaux")
caliber of pieces ("calibres des pieces")
side b:
line of chords ("les Cordes")
line of polygons ("les / poligones")
weight of shot ("poids des boulets")
The sector hinge has an engraving of a flower on each side. Scrollwork, friction blade fixed to the upper arm, in order to hold the arms at a set opening.
The engraving is somewhat crude.