Google Earth is free and downloadable, it is emebedded in this page but will only run and display, if it is installed on your PC. Here we are providing a demonstration sample similar to what we have used at the WDYTYA Live 2012 Show in London.
You can download the files and click on the links to run the Mashup (combined datasets of the Lofting records, the Antique 1790 David Rumsey Collection Map of England and also the Historic Counties Borders data.
Simply point and click to download and follow the on screen instructions:
Download Google Earth file of Lofting Data, and other records, in Google earth file format, needs to run on your local PC