These, Tom explained, were drawn off through the hydraulic tube into storage tanks at the rear.
The steel hand grasped one of the hydraulic tubes on Laura's right shoulder and clamped tightly.
She remembered a maintenance hatch in there, the nearest access to the hydraulic tubes.
Other, less-common systems involve fluid-filled hydraulic tubes to open or close the valves.
The F37 system is to connect hydraulic tubes and components, without the usage of the welding process.
The F37 system is competing with the welding bonding of hydraulic tubes.
While it is no longer used for hydraulic tubes, the tunnel still carries water mains.
The hydraulic tubes, once a major source of power in the centre of London, have since been replaced by telecommunication cables.
Hydraulic pipe is used in case standard hydraulic tubes are not available.
They are actuated by hydraulic tubes of a special variety, controlled by electrical modu- lations of infinite range.