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| Archive Reference / Library Class No. | NCB/A/BUT/10/2/8 |
| Former Reference | N31/UL |
| Title | Report on Ormonde Colliery's Kilburn Seam |
| Date | Dec 1939 |
| Description | Report by FF Ridley of Newcastle-upon-Tyne on the prospective modernisation of the cleaning process for the Kilburn Seam at Ormonde Colliery. This includes advise on possible methods and washing equipment based on the results of the investigation done for this report. Each subject heading is clearly separated. A list of contests suggests that 8 various diagrams and tables of the data should be attached as appendices but only no. 1-4 is attached. |
| Extent | 1 file |
| Level | Item |
| Repository | Derbyshire Record Office |
| Archive Creator | Butterley Company |
| National Coal Board |
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