Educational film showing the workings of a dry dock.
British Instructional Films Ltd presents a Classroom Film.
A ship in dry dock. Good shots from underneath looking up at hull of ship. Shots of the docks. Men work on the propellers of the ship. Two men working on the underside of a ship. They are hammering the metal on the hull. Two men working on large chains. Various other ship building/repair activities. Another ship in dry dock. A liner. Shot of water being expelled from a pipe and filling up the dock. The dock fills with water. Men haul a pipe along. The ship is floated. C/U prow of ship. Men pulling on ropes. Boat leaves dock.