Great spur wheel and secondary cog ring, Cattell's smock mill, Willingham
Great spur wheel and upright shaft support frame, Cattell's smock mill, Willingham
Great spur wheel, Wicken Windmill, Wicken
Great spur wheel and stone nut, Wicken Windmill, Wicken
Great spur wheel and stone nut, Wicken Windmill, Wicken
Great spur wheel and stone nut, Foster's Mill, Swaffham Prior
Great spur wheel, Foster's Mill, Swaffham Prior
Great spur wheel, Shade Mill, Soham
Great spur wheel, Shade Mill, Soham
Great spur wheel, showing cog rings for stone nuts (lower) and machine drive (upper), Shade Mill, Soham
Great spur wheel, Downfield Mill, Soham
Great spur wheel, Downfield Mill, Soham
Great spur wheel, Downfield Mill, Soham
Great spur wheel, stone nut and bridgetree, Downfield Mill, Soham
Great spur wheel, tower mill, Over
Great spur wheel, post mill, Madingley
Great spur wheel, Great Mill, Haddenham
Great spur wheel and nut for machine/sack hoist drive, Smock mill, Fulbourn
Great spur wheel and stone nut, Smock mill, Fulbourn
Bassingbourn Mill, Bassingbourn, internal, pit wheel, wallower, spur wheel