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| Archive Reference / Library Class No. | NCB/H/AGR/1/2 |
| Former Reference | N36/Add |
| Title | Copy of contract agreement of Denby Colliery (Drury-Lowe) Ltd with the Phonotas Company Limited of London for cleaning and disinfecting telephone instruments at Denby Colliery |
| Date | 21 Feb 1944 |
| Description | Old NCB reference 2/15 on envelope. |
| Extent | 1 envelope |
| Level | File |
| Repository | Derbyshire Record Office |
| Archive Creator | Denby Colliery (Drury-Lowe) Ltd |
| National Coal Board |
| Format | Document |