Folding Rule, by F. M.?, London?, 18th Century?

Subject: Measurement
Item type: Object
Makers: "F.M."
Primary inscriptions: Stamped on silver at end of scale of equal parts "F·M."
Physical material: Ivory; silver; brass
Object type: Rule
Dimensions: Height: 162mm Width: 15mm Depth: 15mm
Inventory No: 41023

Description

Four-fold two foot rule, with silver tips and hinge centres, and brass hinge leaves.