細節
A FRENCH TWO-DAY EXIBITION MARINE CHRONOMETER MOVEMENT
Jules Auricoste. Circa 1900
The full-plate movement with turned tapered grey steel pillars and bright steel polished hexagonal nuts, the top-plate diametrically divided, one half carrying the fusee with geneva stop-work, barrel, centre wheel and balance cock, the other carrying the remainder of the train and Earnshaw escapement, signed I Auricoste ECOLE D'HOROLOGERIE DE PARIS, cut bimetallic balance with circular heat compensation weights, oversprung blued steel helical balance spring, the escape wheel with fifteen teeth of fishtail shape, mounted above this plate the spring foot detent with jewelled locking stone and steel passing spring, the foot proper with keyway and adjustable screw clamp for holding the detent spring, blade and horn, the whole mounted in gilt dial-plate and pivoted in vertically mounted Y-frame above tripod base with levelling screws, bezel with convex glass above the open view of the motion work
112 mm. bezel diam., 200 mm. high