Manufacture Of Electric Power Cables Henleys Ltd Reel 1 (1930 1939)

Full title card reads: Manufacture of Electric Power Cables at the Gravesend Works of Messrs. W. T. Henley s Telegraph Works Co. Produced by British Instructional Films Ltd. Reel 1. High angle shot of factory floor showing large rolls of copper. Two men pull a trolley loaded with these rolls. M, S of the men walking towards the camera looks heavy. The copper is pickled in acid and washed to remove the oxide. C, U of rolls being lifted out of the acid bath. Copper wire is lowered and washed with a hose. Grinding and polishing dies for C, U of machines in operation. M, S of man at work close to these machines. L, S of factory floor showing men at winding machines. Various shots of the wire being wound onto a drum. Wire is placed in drawing machines. C, U of man at work on these machines. Various C, Us of wire being drawn, wound, stretched, etc. We see the wire leaving the annealing A cage containing lots of rolls of wire rises up from the ground. C, U of man op