Letters from Haines to Titley and correspondence between Titley and Wailes; on Chesterton Mill, other windmills and related subjects. Also notebook with notes, measurements and sketches re. Sibsey, Alford, Heckington, Chesterton and Burton Dassett mills.
Drawings and correspondence re. mill conversion projects: Stamford Bridge Mill, Yorkshire; Paines Flour Mill, St Neots; Swaffham Prior smockmill. Dutch steel windmill sail stock blueprints. Report 'An investigation into the failure of a steel windmill stock'. SPOOM list of UK mills. Information on flour dust causing asthma. Printouts of North Yorkshire and Norfolk site and monument records.
Photographs of 597 English windmills (with digital copies), 23 Scottish windmills and mills elsewhere in the world. Digital files relating to Broad Eye Windmill, Stafford.
Scans of photographs of windmills in Derbyshire and elsewhere in the UK. Text files of data on Derbyshire watermills, the basis for Alan Gifford's book in 1998.
Photographs and survey drawings created by Collins and Burrell shortly before the mill's demolition for a coursework project at the Northern Polytechnic School of Architecture.
Prints, negatives and 35mm slides of Kent windmills relating to Peter Cobley's time as conservation architect for Kent County Council. Drawings of Herne mill.