An early 19th Century English rack lever by Roskell in a silver half hunter case. Full plate gilt keywind fusee movement with Harrison's maintaining power. Chased and engraved cock inscribed “Patent” on the foot, diamond endstone, blue steel Bosley regulator. Plain three arm steel balance with blue steel spiral hairspring. English rack lever escapement, adjustable slides to the lever pivots, large thirty tooth escape wheel. Winding through the off white enamel dial with Roman numerals, gilt hands. Plain silver half hunter case, oval pendant and bow, maker's mark “RM” and number corresponding to that on the movement.