Hanworth Engineering
Hanworth Engineering (Aircraft) Ltd, precision engineers, presumably of Hanworth
1956 Acquired by Camp Bird. Name changed to Cold Forging Ltd. Part of the factory would be used to develop the Steiner steel cold forging process acquired by Camp Bird[1].
1969 Liquidator appointed by creditors petition to wind up Cold Forging Ltd, of Camp Bird House, 39 Dover St, London W1[2]