Lorenzo D. Warren, Portland, Maine, 8 day carriage clock with unusual chronometer escapement, glazed brass case, Roman numeral brass dial with seconds at 12:00, blued steel hands, signed, brass timepiece with pivoted detent escapement of unconventional design, brass balance with helical spring and long staff, the roller receiving impulse from a crown wheel, and with unlocking effected by a pin at the lower end of the balance staff, edge of front plate marked "Finished Jan. 2d, 1872"