You are welcome to look at this collection of original photos. It is about water-lifting devices for irrigation in The Third World. Dr. Thorkild Schiöler has worked for more than forty years on water-lifting. He has been a consultant with FAO (UN) in Rome and Bangkok and for the Danish Aid Organisation (danida) in Bangladesh and Sri Lanka. He has visited most of the countries of Europe and Asia.   Directly to the collection of photos   Another way to find a photo   If you are involved in irrigation, you will find this diagram useful. Entrances to this diagram are power, flow and head.   Third way to find a photo via the Output table   The physics and mathematics behind the subject   The mystery of hourglass shaped millstones   A reconstruction of of the water-driven sawmill at Hierapolis (Danish)   Any copyright?

		Man powered   The Pots   Photoes 1-6   Scoops   Photoes 7-16   The swing canoe or the dhoon   Photoes 17-20   The shaduf   Photoes 21-27   The hoist   Photoes 28-32
		River and wind powered   European water-lifting wheels   Photoes 33-36   African water-lifting wheels   Photoes 37-42   Hydraulic noria in the Islamic World   Photoes 43-50   Wheels made of bamboo   Photoes 51-62   Windmills   Photoes 63-67   Dragon-bone chains   Photoes 68-74   Water-lifting powered by a water-wheel   Photoes 75-84
		Water-lifting by draught animals   Two water-lifting wheels in Syria   Photoes 85-88   Gearwheel with eight cogs   Photoes 89-91   A wheel in Rabat   Photoes 92-96   Ibiza, Balearic Islands   Photoes 97-98   Iron water-lifting wheels   Photoes 99-102, 135-137, 139   Noria near Naples   Photoes 103-106   Early Roman sâqiyas   Photoes 107-113   Operating sâqiyas   Photoes 114-123   Details of the sâqiya Photoes 124-130   Producing a sâqiya   Photoes 131-134, 138, 140-142
		Spiral scoops, screws and the chain pump   Spiral scoops   Photoes 143-147   The Archimedean screw   Photoes 148-154   Tread-wheels   Photoes 155-156   The "liberation" pump in China   Photoes 157-161
		Copyrights Almost all photoes and drawings are made by Schiöler and may be reproduced elsewhere, with reference to Schiöler and Poul Kattler.