Story Of A - C Welding

Duration: 35 min

Year Published: 1944

Creator: Educational Films Corporation Park Bldg 705

Format: 16mm

Sound: sound

Description: Expert welders demonstrate the speed, flexibility and efficiency of A C welding on all types of joints. Closeups show how 'ARC BLOW,' a characteristic of D C welding, is eliminated by using alternating current.

Metadata Source:Educational Film Guide 1946

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