Moulin à vent de la Croix Cadeau, Maine-et-Loire, France
Research material on Hull mills, roller reefing sails, Limehouse Sawmill, London mills, and correspondence with Roy Gregory
Research material on Hull mills, roller reefing sails, Limehouse Sawmill, London mills, and correspondence with Roy Gregory
Excerpt from the unpublished typescript "Variable Mill-sail Weather"
Excerpt from the unpublished typescript "Variable Mill-sail Weather"
Research material on Berton sails
Research material on Berton sails
Pile of broken sails, Terling, Essex
Photographs of three Essex windmills
Photographs of three Essex windmills
Detailed view of sweeps with man, smock mill, West Kingsdown
Bragg's Mill, Ashdon - close up of a double shuttered patent sail
Moulin Deschodt, Wormhoudt - close up of the sails
Moulin Michel, Coquelles - sails turning
Wimbledon Windmill, Wimbledon Common - exterior looking up at the sails and cap from the base
Post mill, Nutley - close up of a common sail
Post mill, Nutley - close up of the sails
Post mill, Nutley - close up of a common sail
High Salvington Windmill, High Salvington - close up of the sails
"Surrey Docks windpump"
"Surrey Docks windpump"
"Surrey Docks windpump"
"Surrey Docks windpump"
"Surrey Docks windpump"