De-rusting machine process, London.
L/S Man putting rusted clutch plates in acid bath. C/U Plates going into bath. CU Acid bubbling. L/S and C/U Men taking plates out of bath. M/S Putting plates in rinsing bath and taking them out again. He takes them off hook and looks at them. Various shots of Percy Dressland (owner of factory) showing examples of other machine parts cleaned up with the acid.
Cataloguer's note: Good story about an early recycling idea.