Ordnance Survey Map in Bing Maps 1:25k and 1:50k Mapping Scales
Ordnance Survey 1:50,000 (Landranger series) scale mapping in Bing Maps
Ordnance Survey 1:25.000 (Explorer series) scale mapping in Bing Maps
http://uslot.com/NewBingTestPage.html
Ordnance Survey Map in Bing Maps 1:25k and 1:50k Mapping Scales
Ordnance Survey 1:50,000 (Landranger series) scale mapping in Bing Maps
Ordnance Survey 1:25.000 (Explorer series) scale mapping in Bing Maps
http://uslot.com/NewBingTestPage.html