Vertical axis windmills and turbines

• Wind power's beginings talks of Persia, and has illustration of 19th century panemone wind conversion device.
• Persian mills around 200 BC, plus [same information]
• Persian mill
• Mill in Pakistan
  
  
• Eastern Kenya - for pumping water.
• Altamont Pass, California, plus [mirror]
• unidentified location plus [mirror]
• Molendinar, Gold Coast, Queensland, Australia.
• Wind turbines with an emphasis on vertical axis designs.
• Cap Chat, Quebec, Canada.
• Sandia National Laboratories
• Tehachapi, California.
• Diagram showing vertical and horizontal axis turbines.
• Brushland, Texas, on the Conservation and Production Research Laboratory facility.
• DesignPower turbine photo, with schematic illustration.
• Sketches of giromill, Savonius, and Darrieus rotors.
• Satec Pty Ltd - an Australian vertical axis turbine developer.
• German technical page
• Mitcham Common, London.
• Robert Green's unusual windmill.
• Energy from vortices
• Carmarthen Bay, Wales.
• Windstar turbines from the Wind Harvest Company.
• Savonius rotor for pumping water.
• Wind tunnel video
• Flowind Corporation EHD Series
• Hampshire College, Mass.
• Burning Man 2000
• Savonius rotor for pond aeration