Dear Danny..
My wife, Beverly, and I thoroughly enjoyed the tour. Would repeat it instantly if that were possible.
..
I remain very interested in your Nilometer theory.
Best wishes,
David
David O. Cushman, Chair of the Department of Economics and Business
McKee Professor of Economics and Business, Westminster College, PA, USA
Visiting Professor of Business, Oxford Brookes University, UK
Emeritus Professor of Economics, University of Saskatchewan, Canada