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| Archive Reference / Library Class No. | NCB/H/AGR/1/46 |
| Former Reference | N36/Add |
| Title | Agreement of Oakwood Grange Colliery Company Ltd with the Concordia Electric Safety Lamp Co Ltd, for the installation of miners' safety lamps and equipment, with related papers |
| Date | Nov 1942-Nov 1948 |
| Description | Old NCB reference 3/91 on envelope. |
| Extent | 1 envelope |
| Level | File |
| Repository | Derbyshire Record Office |
| Archive Creator | Oakwood Grange Colliery Company Limited |
| National Coal Board |