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Kryn and Lahy (1928) Ltd., of Coborn Works, Letchworth, Herts.
WWI The factory was erected and equipped for the manufacture of munitions.
Post WWI Came under private management
1931 employed about 700 work-people. Also erected some Campbell gas engines.
1933 Perfected a technique for casting high strength steel, making lighter railway wheels
1939 See Aircraft Industry Suppliers
At some point they took over the engine business of Browett, Lindley and Co
1940s Online aerial photograph of K&L's Letchworth works
They built Jones Cranes (having type designations prefixed ‘KL’, e.g. KL44)
By 1947 was known as K. and L. Steelfounders and Engineers.