Details
A TWO-DAY MARINE CHRONOMETER
Thomas Mercer, Centenary, No.22419, 1958,
silvered dial signed and numbered Thomas Mercer, Centenary 1858-1958, 22419, Roman hour numerals, subsidiary seconds and up-and-down dials, blued steel hands, Earnshaw escapement, spring foot detent with jewelled locking pallet, bimetallic balance with two cylindrical heat compensation weights, white metal helical balance spring, numbered gimballed brass bowl, mahogany two tier box
104 mm. dial diam., 183 mm. wide box.
Thomas Mercer, Centenary, No.22419, 1958,
silvered dial signed and numbered Thomas Mercer, Centenary 1858-1958, 22419, Roman hour numerals, subsidiary seconds and up-and-down dials, blued steel hands, Earnshaw escapement, spring foot detent with jewelled locking pallet, bimetallic balance with two cylindrical heat compensation weights, white metal helical balance spring, numbered gimballed brass bowl, mahogany two tier box
104 mm. dial diam., 183 mm. wide box.