Map
1920
A viewable map of the Royal Arsenal ...
http://www.royal-arsenal-history.com/uploads/4/8/8/8/4888981/1920-copyright.jpg
see also ...
http://www.royal-arsenal-history.com/uploads/4/8/8/8/4888981/royal_arsenal_map_1918_copyright_royal-arsenal-history.jpg
2018.04.22