day error—
amplitude—
mainspring—
The clock is on the bench, unwound. Wind it to hear it start.
Bench 1 / 3
Cottage clock · 1.000 s beat · certify within ±120 s/day
Higher = faster clock. Pendulum length follows, so the swing grows slightly wider.
An uneven anchor kicks one side harder. The strip chart will show a crooked beat.
Certificates
No certificates yet. Rating: nothing on the wall.
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