Here’s How You Can Pump Water From A River Without Using Electricity

Most irrigation pumps are run electrically. But what happens if there’s an interruption in our electrical grid? Will our crops suffer and die? This might be one of those technologies that we don’t want to collectively forget.

With this spiral pump the river water enters the tube and, by rotating, proceeds to move inside the spiral until it is pushed by the pressure into a tube that conducts the water to a cistern.