We are not sure why Google maps are coy about giving the geo coordinates of an address, and it is not obvious where to find it. So, here are our two tips to get hold of them:
1. In Google maps
Find the location by typing the street address in the search box,
On the red location marker that appears on the map, right-click and select 'What's here?'
The geo coordinates magically appear on the seach box you had just used to type in the address:
2. Or, just visit this URL and type in the address: http://universimmedia.pagesperso-orange.fr/geo/loc.htm !