H. and R. Waterfall and Barber: Difference between revisions
From Graces Guide
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Crucible steel makers. | Crucible steel makers. | ||
1904 Their 'Magic' brand of tool steel was described in ''American Machinist'' as 'about half way between the carbon and high-speed steels', specially adapted for taking deep cuts on mild steel on turret lathe jobs.<ref>[https://babel.hathitrust.org/cgi/pt?id=mdp.39015080284493;view=1up;seq=688] American Machinist, 5 May 1904</ref> | |||
1911 had developed steel for motor car chassis; also steel for general machine parts<ref>The Times, Nov 22, 1911</ref> | 1911 had developed steel for motor car chassis; also steel for general machine parts<ref>The Times, Nov 22, 1911</ref> | ||
Latest revision as of 22:00, 23 February 2019
of Prometheus Works, Bridge Street, Sheffield.
Crucible steel makers.
1904 Their 'Magic' brand of tool steel was described in American Machinist as 'about half way between the carbon and high-speed steels', specially adapted for taking deep cuts on mild steel on turret lathe jobs.[1]
1911 had developed steel for motor car chassis; also steel for general machine parts[2]
See Also
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