For those members who are particualry interested in maps then you might like to know that the National Library of Scotland Map Collections have added another layer of historical maps to the geo-referenced viewer namely:-
1:25,000 scale Ordnance Survey Great Britain outline layer, published 1945-65.
Link to the site below
Have fun exploring
https://maps.nls.uk/geo/explore/#zoom=5&lat=55.74538&lon=0.60635&layers=219&b=1