Catfield post mill, Norfolk, part of a double-shuttered anti-clockwise patent sail
Ludham Bridge, Norfolk
Hill's Eight-sailed Mill, Market Rasen
Sweep on Chillenden Post Mill
New sails being fitted, Outwood Post Mill, Outwood
Pair common sails (furled) and pair patent, smock mill, West Kingsdown
New sweeps being fitted, Davison's Mill, Stelling Minnis
New sweeps being fitted, Davison's Mill, Stelling Minnis
New sweeps being fitted, Davison's Mill, Stelling Minnis
New sweeps being fitted, Davison's Mill, Stelling Minnis
New sweeps being fitted, Davison's Mill, Stelling Minnis
"Disappearing Windmills"
Sail numbering system
Front Sail: general layout
Front Sail: general layout
Front Sail: general layout
Front Sail: general layout
Sail Layout: working uplongs
Front sail: wind boards
Wicken Windmill: Sail Sections drawn at each Sail Bar