War plant turns out self-propelled 25 pounders: HAS DOLLY over workers working on self-propelled chassis', women, men. Level shots from various angles and distances, of workers welding, cutting out sprocket wheels, installing them, putting on threads, installing the 25 pounder gun. Shots of self-propelled 25 pounders being driven out of plant, being tested on testing ground, firing practice rounds. HAS inside the vehicle, soldiers firing 25 pounder gun. Final sequence could be used to represent actual battle conditions.