Penarth Dock, South Wales - 150 years - the heritage and legacy  
Penarth Dock, South Wales - the heritage & legacy . . .
Volume One - Into the Victorian Age - The construction of the dock . . .
1865 - No 1 - Penarth Docks - Entrance to the lock from the dock
1865 - No 1 - Penarth Docks - Entrance to the lock from the dock. - Workers pose and along the waterline is a boy. Spot the 'psychopath' sitting on top of the lock gates at the centre of the photo. [599] [archive ref : DXPD-6-1] [20170902]

1865 - No 1 - Penarth Docks - Entrance to the lock from the dock
1865 - No 1 - Penarth Docks - Entrance to the lock from the dock
Note the chains attached to each of the lock gates : 'In 1863 and 1864 another type of the Armstrong gate machines was introduced. The type may be described as that of the hydraulic winch machine, as the barrel in each machine around which the gate chain (whether for opening or closing) was wound, was operated by means of a hydraulic winch in which two oscillating cylinders drove a crank shaft. At the outer end of this crank shaft a pinion was keyed, which engaged in a spur wheel which was again keyed on the barrel shaft. In some cases the hydraulic winch was fixed in a horizontal position, as in the lock entrance to the Penarth Docks (on the north side of the Bristol Channel, near Cardiff), the width of which is 60 feet ; in others in a vertical position, the engine being placed beneath the chain barrel . . . ' [721] [716]
1865 - No 1 - Penarth Docks - Entrance to the lock from the dock

 

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