Punched paper tape and barrel: what they have in common

1. Step 1. Punched paper tape — is part of — Bouchon’s loom. A paper tape sets which threads are raised.
2. Step 2. Bouchon’s loom — was inspired by — Pinned cylinder. Bouchon, the son of an organ maker, carried the idea of a recorded sequence over to punched tape.
3. Step 3. Pinned cylinder — is part of — Music box. The cylinder’s pins pluck the teeth of the comb.
4. Step 4. Music box — is made of — Iron. The comb is steel.
5. Step 5. Iron — is material for — Barrel. The staves are bound with iron hoops.

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