Union Mill changes to sails
"Ebenezer Samuel Russell (1829 -1883)"
"James Humphrey"
Bircham Mill sails
Specification for New Midlings and Sweeps at Willesborough Mill
"West Kingsdown Mill, Kent: Drawings and Specification for sweeps, February 2005"
"Reigate Heath Windmill, Surrey: Suggested course of action for removing existing decayed sails"
Scottish Thrashing Windmills etc, (unpublished) and Edmund Lee's Self-regulating Wind Machine
Wicken Windmill: Sail Shed
Wicken Windmill: Shutter
Wicken Windmill: Shutter Crank and Spigot
Wicken Windmill: Striking Chain Pulley & Bracket
Wicken Windmill: Rocking Lever
Wicken Windmill: Rocking Lever
Patent sail elevation
Wicken Windmill: Striking gear geometry, outer sails
Wicken Windmill: Inner Sails
Wicken Mill: Circle swept by Sails – MEASURED
Wicken Mill: Circle swept by Sails – CALCULATED
Sail Bay layout – detail