British Jeffrey-Diamond - Graces GuideOct 21, 2016 . British Jeffrey-Diamond. From Graces Guide . 1961 Manufacturers of pulverisers, crushers and conveyors and coal face mining machinery.british jeffrey diamond ball crusher,Massive picture archive recalls great days of Yorkshire firm .Dec 15, 2006 . . workers of the now-defunct British Jeffrey-Diamond, a Wakefield engineering firm which in its heyday employed more than a 1,000 people.
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