Mine hoist und mechanical clock: was sie gemeinsam haben

  1. Schritt 1. Mine hoist — hat als Teil — Wire rope. Mine ropes were the first use of wire rope.
  2. Schritt 2. Wire rope — entwickelte sich aus — Rope. A steel counterpart of rope.
  3. Schritt 3. Rope — ist Teil von — Chip log. On a line with knots.
  4. Schritt 4. Chip log — nutzt — Hourglass. The time of a speed measurement was taken with an hourglass.
  5. Schritt 5. Hourglass — funktioniert wie — Water clock (clepsydra). The same principle of timing by outflow, with sand instead of water.
  6. Schritt 6. Water clock (clepsydra) — entwickelte sich zu — Mechanical clock. Mechanical clocks replaced water clocks, swapping the flow of water for an escapement.

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