Mapperley Colliery Company signing on book Workmen sign to agree to serve the company under the terms of the contract rules subject to observance of the Coal Mines Act 1911 and regulations. In chronological order. Columns for date, whether workman has previously suffered from Miners' Nystagmus, whether workman qualified to work alone under General Rule 73, married or single, signature or mark of person employed, age last birthday, residence, occupation, where last employed and witness to signature. Marked on spine "Contract of Service". Jul 1919-Nov 1945