Instructions
To add the La Rocque 1746 Map of London you will use the following URL:
http://maps.georeferencer.com/georeferences/190451833386/2017-02-20T14:25:19.132722Z/map/{z}/{x}/{y}.png?key=vfmp8QzM4EsMUsKK0iKN
Steps to Follow:
- Choose "Options" from the top left.
- Select "custom" from the "Map Type" field.
- Add the URL list above to the URL field.