Rare George III brass and shagreen-cased pedometer, signed Spencer & Perkins, London, the enamel main dial demarcated in tens to 100 for step counting, subsidiary dials for miles and dozens of miles, the mechanism set within a gilt brass case and operated by a tilting rod numbered `516`, 53mm diameter, terminating in a waistband hook, 14cm overall

Spencer and Perkins are recorded as watch makers at 44 Snow Hill, London, 1765-1806. When hooked over the waistband, the mechanism advances the count by ratchey inclunation from the movement of the thigh.