Saxophone and telescope: what they have in common

1. Step 1. Saxophone — has part — Woodwind key mechanism. More than 20 valves.
2. Step 2. Woodwind key mechanism — is part of — Flute. Boehm’s keys close the holes.
3. Step 3. Flute — is made of — Bone. The oldest flutes (Hohle Fels) were carved from bird bone and ivory.
4. Step 4. Bone — is material for — Spectacle frame. The first frames were made of bone and horn.
5. Step 5. Spectacle frame — is part of — Glasses. A frame.
6. Step 6. Glasses — evolved into — Telescope. The first telescopes were assembled by spectacle makers.

Open Evothings