... for the ground signal. The maps show a 6ft-way of 6ft so I believe I have proven my statement that the Moretonhampstead 25" OS maps are wrong. Andrew. Hi Andrew, Clearly the spacing is wider than 6ft way in the photo I linked above, otherwise there wouldn't be room for the ground disc signal posted: 16 Aug 2020 19:37 from: Martin Wynne Hi Andrew, Here is the 1886 map, which pre-dates the gauge conversion in 1892 and therefore shows the broad gauge tracks: 2_161430_020000000.jpg The 7ft gauge is drawn very variably, but the track centres appear to be correct at 13ft-6in, assuming 3" wide rails and 6ft way between them (ignoring the odd 1/4" on the gauge). So clearly at that time the OS surveyor did measure the actual spacing. cheers, Martin. posted: 17 Aug 2020 10:18 from: Andrew Howlett Hi Martin, So we know the 1886 map is correct, but that the 1930 map is wrong. Assuming the surveyors correctly measured ...