Various shots of harbour showing freighters at anchor, moored to piers. MS of steam crane at work in clouds of steam. Shot of magnetic "head" swinging from crane's boom, picking up scrap iron from hold of ship. Longer shots of crane and magnet at work in billows of steam. MS of superstructure of icebreaker moored to dock. Various night shots, mostly CUs of cannons on ramparts of the Citadel. Various shots, mostly CUs of the welter of beams and trusses in the superstructure of the Quebec Bridge. Longer shots of the superstructure.