Lister-Blackstone
From Graces Guide
1936 R. A. Lister and Co acquired substantial shareholding in Blackstone and Co of Stamford leading to co-operative agreement.
Products include engines, pumps, electric generating sets, hay elevators, rakes, diggers, coolers, clippers (See advert).
1965 R. A. Lister and Co was taken over by the Hawker Siddeley Group, so Blackstone's became a subsidiary of Hawker Siddeley. Also see Lister Group
1969 On 1st June, Blackstone and Co and Mirrlees National, another Hawker Siddeley diesel company, were merged and the company traded under the name of Mirrlees Blackstone.