Details
A MERCER MAHOGANY EIGHT-DAY MARINE CHRONOMETER
Thomas Mercer, No. 781 N, recent,
silvered dial signed Thomas Mercer, St. Albans, No 781 N, Roman hour numerals, subsidiary seconds and up-and-down dials, blued steel hands, semi-circular main-frame assembly carrying fusee with fusee chain, barrel and centre wheel, gilt brass diagonal shaped chain guard between it and lower sub-frame assembly carrying the remainder of the train and Earnshaw escapement, cut bimetallic balance with cylindrical heat compensation weights, palladium helical balance spring, Mercer flat-strip steel detent with jewelled locking pallet, three tier brass bound mahogany box, one external brass drop handle (at IX), with Mercer rating certificate dated 17.9.79
120 mm. dial diam., 213 mm. sq. box
Thomas Mercer, No. 781 N, recent,
silvered dial signed Thomas Mercer, St. Albans, No 781 N, Roman hour numerals, subsidiary seconds and up-and-down dials, blued steel hands, semi-circular main-frame assembly carrying fusee with fusee chain, barrel and centre wheel, gilt brass diagonal shaped chain guard between it and lower sub-frame assembly carrying the remainder of the train and Earnshaw escapement, cut bimetallic balance with cylindrical heat compensation weights, palladium helical balance spring, Mercer flat-strip steel detent with jewelled locking pallet, three tier brass bound mahogany box, one external brass drop handle (at IX), with Mercer rating certificate dated 17.9.79
120 mm. dial diam., 213 mm. sq. box