Brass and hammer: what they have in common

1. Step 1. Brass — is material for — Automaton. The movement is brass.
2. Step 2. Automaton — has part — Cam. Cams set the figures’ movements.
3. Step 3. Cam — is part of — Trip hammer. Cams on the shaft lift the hammer.
4. Step 4. Trip hammer — evolved from — Hammer. A trip hammer is a hammer lifted and dropped by a water wheel.

Open Evothings