John R. Arnold London Rare Cylinder Fusee With Special Compensation Later Case, circa 1795

John R. Arnold London Rare Cylinder Fusee With Special Compensation Later Case, circa 1795
Case: sterling silver, pair case, plain, 57 mm
Dial: enamel, radial Roman numerals, sub seconds, gold arrow and baton hands
Movement: No. 3570, gilt full plate, turned cylindrical pillars, flat three arm steel balance wheel with bi-metallic temperature compensation curb arm with blued steel index arm to the scale on the plate, brass cylinder escape wheel
Signed: John R. Arnold London
Grade: 0, Service No.: 0