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A home-made windmill
A home-made windmill
Windmills of High Efficiency
Windmills of High Efficiency
A plea for windmills
A plea for windmills
Electric Power from the Wind
Electric Power from the Wind
Sack Hoists
Sack Hoists
Aerodynamo
Aerodynamo
Vanishing English Windmills
Vanishing English Windmills
Wind Velocity
Wind Velocity
Saving Europe's Windmills
Saving Europe's Windmills
Goodbye to the Windmill
Goodbye to the Windmill
"Punch" article
"Punch" article
Windmill speeds and power
Windmill speeds and power
Electricity and Power from Windmills
Electricity and Power from Windmills
Electric Power From the Wind
Electric Power From the Wind
Wind as motive power
Wind as motive power
Conference Proceedings
Conference Proceedings
Newspaper cuttings
Newspaper cuttings
Building a Windmill
Building a Windmill
Disappearing windmills
Disappearing windmills
Sixty years from now
Sixty years from now
Results 70921 to 70940 of 97545