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16 March 2026
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Eco Magneto Clock Co., Boston, Mass., circular dial time recorder, 8 day, time and recorder function for 4 watchman's stations, twin-spring Seth Thomas No. 10 balance wheel movement in an oak case with black glass and gold leaf reading "Eco Magneto Clock
This time recorder uses an ingenious system that avoided the problematic batteries of the time. A watchman, when checking in at one of the assigned st...