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Engineers of 45 Holborn Viaduct, London E.C.1.
1922 F. G. Mitchell of the Mitchell Conveyor and Transporter Co, 45-50, Holborn-viaduct, London EC1, arranged for John M. Henderson and Co to manufacture "Krom" crushers, "Maxecon" mills, and new type "Kent" mills for Mitchells. Messrs. Henderson also acquired the joint selling rights of these machines.
1935 Presumably name changed to Mitchell Engineering