Rare American two day going marine chronometer Circa 1950

Marine chronometer by Low Max Inc.
–
An unusual, rare American two day going marine chronometer with 24 hour dial, 56 hour power reserve sector and half second and 10 second electrical impulse for regulating slave timepieces, circa 1950. Brass full plate movement by Thomas Mercer, 13 jewels, ring turned pillars secured by screws, oeil de perdrix decoration, fusee and chain, Harrison’s maintaining power, Earnshaw spring detent escapement, cut bi metallic compensation balance with two circular mean time weights and two temperature nuts, free sprung helical balance spring with outer terminal curves. Silvered dial, outer track graduated for minutes and 24 hours, aperture at 6 o’clock to view the seconds wheel and electrical contacts, up and down indicator at 12 o’clock, original blued spade hands. Ebonized hardwood and bakelite box with aluminium corners, aluminium bowl, held in place by black foam.
Dial, case and movement signed and numbered.
–
Dimensions: 21 x 21 x 15 cm
–
Signed: Low Max Inc. New York