Main Features The Unique Impeller Electronic Visual Display Unit The Wading Rod The Ohio Professional Version Technical Details / Cost / Warranty Free Instruction Manual How to Measure River Flow (web link) BACK TO MAIN MENU ORDERING INFORMATION Email: riverflow@ greatatlantic.demon.co.uk		Students using the Ohio in a shallow stream Using the Ohio for research in a turbulent first-order stream
		Great Atlantic Flow Meters. West Place, St. Just, PENZANCE, Cornwall, UK, TR19 7JB. Tel: +44 1736 786016. Fax: +44 1736 786005.