M/S of crepe rubber being cut from a roll as a drum rotates. The rubber is then fed into a machine which makes the tread. C/U of machine which cuts out the soles. The rubber left over is held up to the camera to show the holes. A thick rubber substance is rolled onto canvas for...
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.