Bolsover Colliery Company health and unemployment insurance record book for unidentified colliery Columns for check number, name (surname and initial letter of forename), unemployment serial number, remarks and date of birth, weekly payments, half-year totals for health and unemployment. For half-years ending 5 July 1930 to 30 Jun 1945. Loose at front is a single page for health insurance for half year- ending 30 Jun 1928. The company and colliery are not stated, but references to transfers to Thoresby, Bolsover, Mansfield and Creswell suggest that the volume belonged to the Bolsover Colliery Company, possibly for Clipstone or Rufford Colliery 1930-1945