Archived posting to the Leica Users Group, 2016/06/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]According to Tom's notes, it is from 197 AD. The whole water system is very impressive. In Iran alone, there are an estimated 50,000 qanats, nearly three-quarters of which are still working. They knew what they were doing! Tina On Mon, Jun 6, 2016 at 4:48 PM, Peter Dzwig <pdzwig at summaventures.com> wrote: > Amazing piece of technology ;-) Who needs laser levels and the like. How > old is > this one, do you have any idea? > > Peter > > On 06/06/2016 14:41, Tina Manley wrote: > > > > We went to a water museum in Yazd that explained all about the ganats and > > how water use was allocated. There was a lot of interesting information > > and many displays but I found the ancient level used to determine the > slope > > of the ganats to be most fascinating: > > > > > http://tinamanley.photoshelter.com/gallery-image/Iran/G0000YmlbTddL96g/I0000aSa4vH2oM34 > > > > -- > > =========================================================== > Dr Peter Dzwig > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Tina Manley www.tinamanley.com tina-manley.artistwebsites.com http://www.alamy.com/stock-photography/3B49552F-90A0-4D0A-A11D-2175C937AA91/Tina+Manley.html