View from the dock tower of fish docks 1 and 3, 11th March 1948. No. 1 fish market curves off to the right. The building on the island formed by the lockpits (bottom left) is the Royal Navy shore base H.M.S Pekin. Tall signals mast on the far side of building and levelled rail track encircling it which may have been for a carriage with a Barrage Balloon tethered to it.