Stopwatch and mechanical clock: what they have in common

1. Step 1. Stopwatch — has part — Balance wheel. A balance wheel sets the pace.
2. Step 2. Balance wheel — is part of — Marine chronometer. The pace is set by a temperature-compensated balance.
3. Step 3. Marine chronometer — is a kind of — Mechanical clock. A marine chronometer is a very accurate mechanical clock that sailors used to find longitude.

Open Evothings