Knotted log line e sino: o que têm em comum

1. Passo 1. Knotted log line — faz parte de — Chip log. A knotted rope.
2. Passo 2. Chip log — utiliza — Hourglass. The time of a speed measurement was taken with an hourglass.
3. Passo 3. Hourglass — funciona como — Water clock (clepsydra). The same principle of timing by outflow, with sand instead of water.
4. Passo 4. Water clock (clepsydra) — evoluiu para — Mechanical clock. Mechanical clocks replaced water clocks, swapping the flow of water for an escapement.
5. Passo 5. Mechanical clock — inclui — Despertador. A clock.
6. Passo 6. Despertador — tem como parte — Sino. A bell rings.

Abrir Evothings