Bircham Mill sails
Old sail on ground, Hoyle's Five Sailed Mill, Alford
Brill Windmill, Brill
Green's Windmill, Sneinton, Nottingham
Wheatley Windmill, Oxfordshire
Control mechanism of spring sail, post mill, Nutley
Spring sail, post mill, Nutley
Detail of spring sails, tower mill, New Bradwell
Jill Mill, Clayton
Detail of sails, Jill Mill, Clayton
One of last working sails, post mill, Ramsey
Detail of sail, Oldland Windmill, Keymer
Sail springs, Oldland Windmill, Keymer
Detail of sail with aerofoil, tower mill, Over
Front Sail: general layout
Front Sail: general layout
Sail Layout: working uplongs
Wicken Windmill: Sail Sections drawn at each Sail Bar
Wicken Windmill: Sail section at Bar 1 – detail
Wicken Windmill: Striking gear geometry, outer sails