Diagrams and instructions for roller milling machinery. Small roller mill artefacts. Correspondence with milling firms re. J B G Thompson's various positions throughout his career. Course materials from J G B Thompson's training. Flow sheets and production records. Photographs and documents re. Grosvenor Street Mill and Skidby Mill.
Ledger, accounts book, wages and salaries books, correspondence, financial details, architects' plans, Henry Simon specifications, articles of association for F T Wood and Sons and the National Association of British and Irish Millers.