Crystal Palace and bellows: what they have in common

1. Step 1. Crystal Palace — has part — Window glass. About 300,000 panes of glass.
2. Step 2. Window glass — uses — Casting. The panes were cast in moulds.
3. Step 3. Casting — is used in — Linotype. It casts a line of type in metal.
4. Step 4. Linotype — has part — Keyboard. A keyboard.
5. Step 5. Keyboard — is part of — Pipe organ. Manuals were the first keyboards.
6. Step 6. Pipe organ — has part — Bellows. Bellows supply the air.

Open Evothings