Water hydraulic power was very common in docks for operating cranes and other heavy machinery. This tower at Grimsby
More information:
Grimsby Dock Tower is a hydraulic accumulator tower and a famous maritime landmark in Grimsby, North East Lincolnshire, England. It was completed on 27 March 1852 with the purpose of containing a 30,000 UK gallon (136 m³) hydraulic wrought iron reservoir at a height of 200 feet (61 m), that was used to provide hydraulic power (rather than a supply of water) to the lock gates and cranes of Grimsby Docks.[1] The extreme height of the tower was necessary to achieve sufficient pressure. Water towers for water supply purposes don't need anything approaching this height
![grimsby-dock-tower-is-a-hydraulic-accumulator-tower-and-a-famous-maritime-D7872F.jpg](https://c8.alamy.com/comp/D7872F/grimsby-dock-tower-is-a-hydraulic-accumulator-tower-and-a-famous-maritime-D7872F.jpg)
More information:
Grimsby Dock Tower is a hydraulic accumulator tower and a famous maritime landmark in Grimsby, North East Lincolnshire, England. It was completed on 27 March 1852 with the purpose of containing a 30,000 UK gallon (136 m³) hydraulic wrought iron reservoir at a height of 200 feet (61 m), that was used to provide hydraulic power (rather than a supply of water) to the lock gates and cranes of Grimsby Docks.[1] The extreme height of the tower was necessary to achieve sufficient pressure. Water towers for water supply purposes don't need anything approaching this height