Folding rule, horn or whalebone mounted in silver, marked in inches 1-12. Made in France, 1782-89, maker unknown.

This rule is a typical rule used mainly for drawing and measuring.It is used flat on a sheet of paper to mark accurate lengths or used on an object to measure its size. Marked in inches 1-12 on both sides corresponding to one French foot called “Pied de Roi”. Each inch is divided in 12 French “lignes”. On both sides, the hinge is engraved with a rose and volutes of leaves. While the maker of this rule is unknown, possible makers include: Pierre (II) Le Maire, Jacques Canivet, Pierre Lennel and Pierre Gourdin.