Part of issue JACK AND JILL.
Various shots of group of lumberjacks resting: they sharpen blades of saws and axes, eat hot meals or roll cigarettes.
Various shots of lumberjacks cutting down trees in hills. They use amphibious tractor with caterpillar...
A huge steel welding machine is shown in action.
Brief item about a massive machine used for scooping coal from the ground in Cologne, Germany.
Two men rush to assemble a motorcycle in record time. It is then taken on a test run.
Electricity is produced in a electricity plant - giant electrical transformers are demonstrated.
Timber being transported by water.
Process of making glass for telescope mirrors.
Good shots of men at work using a new electric welder on a construction site.
Shots of unidentified metal structure.