A new type of tractor which works well in snowy conditions is demonstrated.
L/S of tractor moving towards camera across snowy landscape. "Instead of runners, or caterpillar treads, these twin-screw torpedoes spin their way along." M/S of the tractor moving past the camera. Another shot of...
French torpedo boat the Maneluke is launched in France.
New torpedo boat zooms over the water at Portsmouth.
The Atlantic fleet on manoeuvres in waters off Scotland.
Footage of a torpedo being fired from a ship.
Short item showing new French torpedo craft.
The damage sustained by an M.T.B. after ramming an enemy ship
Various shots of the Polish Navy warships in action.
Australian newsreel item about making and testing torpedoes.
First shots of 'Dreadnought' under construction.