We have a message from Sandfields. It reads: -   ‘‘We would love to welcome you to Sandfields Pumping Station to discover this little gem in Lichfield.   You will be whisked back in time to a world of heavy industry, smoke and cholera pandemics.  You will be introduced to the genius of a man who came up with a system to supply clean water from Lichfield all the way to the Black Country.  By doing so it doubled life expectancy of the working family.   In small personal…