09
Water, wind and mechanical power
Earth parallel: 1000–1500. Goal: stop relying on muscle. One water wheel does the work of twenty people, day and night.
| ID | Achievement | About year |
|---|---|---|
| 09.01 | Weir, mill pond and millrace with sluice gatestored, controlled water | 14 |
| 09.02 | Greased plain bearingsan iron shaft turning in a bronze or hardwood block | 14 |
| 09.03 | Undershot water wheelpaddles pushed by the stream | 15 |
| 09.04 | Wooden gearstoothed wheel and cage pinion; turn power through a corner and change speed | 15 |
| 09.05 | Water-powered flour mill | 15 |
| 09.06 | Overshot water wheelwater falls into buckets; far more power from the same stream | 15 |
| 09.07 | Cam shaft and trip hammer ⚠a heavy hammer lifted and dropped by the wheel | 16 |
| 09.08 | Water-blown bellowsan endless strong blast for furnaces | 16 |
| 09.09 | Crank and connecting rodturns round-and-round into back-and-forth | 16 |
| 09.10 | Water-powered sawmill ⚠ | 17 |
| 09.11 | Flywheela heavy wheel that keeps a machine turning evenly | 17 |
| 09.12 | Leather belt drive and line shaftone wheel drives many machines | 17 |
| 09.13 | Machine guards and work protectionfenced gears and belts, a stop cord, leather aprons | 17 |
| 09.14 | Stamp millcrushes ore with falling iron-shod posts | 18 |
| 09.15 | Powered grinding and polishing wheels | 18 |
| 09.16 | Powered lathesteady rotation for wood and soft metal | 18 |
| 09.17 | Powered wire-drawing benchlong lengths of even wire | 19 |
| 09.18 | Suction pump and bored-log pipes | 19 |
| 09.19 | Bronze force pumppushes water uphill and under pressure | 19 |
| 09.20 | Bucket-chain water liftdrains pits and waters fields | 19 |
| 09.21 | Horse whimhorses turn a drum to hoist ore and water from the mine | 20 |
| 09.22 | Horse milla horse walking in a circle drives a machine where there is no stream | 20 |
| 09.23 | Windmillpower away from the river | 20 |
| 09.24 | Village water mainspring water piped under the lanes to taps | 21 |
| 09.25 | Flying-shuttle loomthe weaver throws the shuttle with a cord; cloth twice as wide, twice as fast | 21 |
| 09.26 | Carding machinewire-toothed rollers comb raw fibre into an even fleece | 21 |
| 09.27 | Water-powered spinning framemany spindles turned by the wheel; thread by the mile | 21 |
| 09.28 | Saw-toothed cotton ginpulls the seed from cotton fifty times faster than fingers | 22 |
| 09.29 | Power loomthe wheel throws the shuttle and beats up the cloth | 22 |