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National Coal Board Production Department
Diwydiant
Steam Winder Restriction Gear at Birch Coppice Colliery (booklet)
National Coal Board Production Department
2018.42/114
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Diwydiant
Installation of a Blackett Barrel Washer (booklet)
National Coal Board Production Department
2018.42/95
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Diwydiant
Statistics of Mechanised Output for the Year 1962 (booklet)
National Coal Board Production Department
2001.1/1048
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Diwydiant
A Dutch Automatic Loading Station for Mine Cars (booklet)
National Coal Board Production Department
2018.42/198
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Diwydiant
Utilisation of low quality Fuels for the production of Electrical Power (booklet)
National Coal Board Production Department
2018.42/31
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Diwydiant
The installation of Locomotives underground (booklet)
National Coal Board Production Department
2018.42/17
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Diwydiant
The Jeffrey Jig and New Air Cycles in Jig Washing (booklet)
National Coal Board Production Department
2018.42/109
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Diwydiant
The Climax S.W.2B Water-Controlled Pick (booklet)
National Coal Board Production Department
2018.42/141
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Diwydiant
Surveying Practice and Statutory Plans Part II (booklet)
National Coal Board Production Department
W.S. Cowell Ltd.
2001.1/862
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Diwydiant
Handbook on Shotfiring in Coal Mines (booklet)
National Coal Board Production Department
Sun Printers Ltd
2001.1/841
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Diwydiant
Horrocks Rope Operated Loading Ram (leaflet)
National Coal Board Production Department
2018.42/70
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Diwydiant
Statistics relating to Mechanised Output (booklet)
National Coal Board Production Department
2018.42/157
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