On 08/07/2019 23:41, Dave Liquorice wrote:
On Mon, 8 Jul 2019 21:44:46 +0100, Steve Walker wrote:

Manchester's hydraulic system definitely ran from 1894 to 1972.

Wonder of the one in Bristol for the floating harbour and other dock
gates is still operational?

Probably not. Like other systems, the users probably switched to using
their own electrically powered hydraulic pumps in the short term and
where possible to purely electrical drives and many older systems
probably have gone out of use entirely since then.

SteveW