PQR - 1950 Titan crane

1950s image of the Titan crane on the North Breakwater, delivering blocks for the divers to deal with. The group of divers are in light coloured clothes. it looks like at least one block is already underwater, another is on the crane whilst the last waits on the waggon, there are three waggons in the short train, propelled by the loco "Prince of Wales".