The Navy Yard submarine drydock shown under construction. The pipes, seen in the background, pump concrete to the floor of the drydock where a valve keeps water out so the mixture can harden.
"The navy stands by. Robert Wishart, Charlie Reid, Don Bramall and William Harding of H.M.S. furious assist in transferring and arranging the 10,000 donated articles which are to be sold at Bond Street Bazaar, Christmas Tree Lane beginning...
Construction of the submarine drydock continues. A barge lays and holds the forms of the dock while the derrick in the back holds the pipes that pour concrete into the frame.
