Brass rod with chain and watt steam engine: what they have in common

1. Step 1. Brass rod with chain — is part of — Leyden jar. A lead to the inner plate.
2. Step 2. Leyden jar — evolved into — Capacitor. The Leyden jar was the first capacitor.
3. Step 3. Capacitor — is made of — Tin. The plates are made of tin foil.
4. Step 4. Tin — is material for — Model railway. The first models were tinplate.
5. Step 5. Model railway — works like — Steam locomotive. A model.
6. Step 6. Steam locomotive — has part — Watt steam engine. A steam locomotive is driven by a steam engine.

Open Evothings