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1936 Birmid Industries founded; incorporated Dartmouth Auto Castings.[1].
1963 Motor Show exhibitor. Repetition iron castings.[2]
1980 Demand for castings from the motor industry fell by over 20%, for trucks by 35% and for tractors by 25%. Financial losses were paralleled by closures and job losses. Some £12 million of the £15 million cost of closures was suffered at Smethwick, where three foundries were closed leaving only Dartmouth Auto Castings foundry No 3. The company ceased to exist in 1980.[3][4]
1982 SG iron crankshafts were specific product ranges.[5]