Tanks clearing a forest. Shots of trees being bulldozed. Shots illustrating driver's view inside tank.
Safety print only.
Caterpillars and moths are seen - including a really big moth which is quite repulsive!
Remarkable caterpillar track wheel barrow tackles rough ground.
Converted wartime caterpillar tractors pull out trees by the roots in California.
A glimpse inside giant warehouses full of army vehicles and a new 'caterpillar car' is demonstrated.
Footage of new caterpillar tractor pulling lifeboat out to sea in Wells, Norfolk.
Demonstration of a military armoured car that switches from wheels to caterpillar tracks.
New American caterpillar artillery tractor draws guns.