B. and S. Massey
B & S Massey's steam hammers of Openshaw, Manchester.
1869 Advert. Steam hammers. 
1889 Patent compound steam forging press. 
1900 Tire Hammer for railway Wheels. Article and Illustration in The Engineer. 
1911 Expansion Valve Gear for Steam Hammers. 
1912 Became private company.
1915: 'BELGIAN KILLED AT ENGINEERING WORKS. A verdict of accidental death was returned an inquest held by the City Deputy Coroner (Mr. C. W. W. Surridge), today, on a Belgian named Nicholas Fastre (47), of Old Lane, Higher Openshaw, who was killed at Messrs. B. and S. Massey Ltd., engineers, of Openshaw. Fastre and another Belgian were engaged Wednesday in removing a steam hammer weighing about 2½ tons when the hammer fell forward and dropped on Fastre. It was stated by Mr. Leonard Massey, director of the firm that they employed large numbers of men, and this was only the third fatality at the works in fifty years.'
1920 April. Issued catalogue on steam hammers. 
1946 Became public company.
1961 Engineers, manufacturing pneumatic and steam hammers, drop stamps, forging presses, screw presses, furnaces and tyre fixing rolls for railway locomotives and wagons. 
1972 Received support for a project on a hydrostamp press, from government programme for the machine tool industry 
Note: Steam Hammer exhibited at Claymills Victorian Pumping Station