Cornwall. "Tinstone (or "black tin" as the Cornish miners call it) is just plain tin ore when it comes up from the mines." C/U of a metal container of tin ore being lifted from interior of a mine. Low angle shot of ore rolling down a corrugated surface. "The first crushing." C/U of ore being shovelled...more
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.