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1 produkter

1. 

   How to Make and Use the Treadle Irrigation Pump

   Av Carl Bielenberg, Hugh Allen

   Häftad, 1995

   200 kr

   Lägg i varukorg

   The treadle irrigation pump is able to lift up to seven thousand litres of water per hour using the power of the human body, and can be made locally at low cost in small-scale metalworking shops. Its acceptance in Bangladesh where it was first developed in 1984 is extraordinary, with over 500,000 …