Saxophone e telescope: o que têm em comum

1. Passo 1. Saxophone — tem como parte — Woodwind key mechanism. More than 20 valves.
2. Passo 2. Woodwind key mechanism — faz parte de — Flauta. Boehm’s keys close the holes.
3. Passo 3. Flauta — é feito de — Osso. The oldest flutes (Hohle Fels) were carved from bird bone and ivory.
4. Passo 4. Osso — é material para — Spectacle frame. The first frames were made of bone and horn.
5. Passo 5. Spectacle frame — faz parte de — Óculos. A frame.
6. Passo 6. Óculos — evoluiu para — Telescope. The first telescopes were assembled by spectacle makers.

Abrir Evothings