G. Stanley Doore wrote in USMA 24756:
Gauge is measured as the distance between rails. Pitch is an angle or slope of the two tracks from the horizontal.Stan Doore
If pitch is an angle or slope it should be measured in degrees, gons or radians, not in metres. I apologize for being so uncomprehending.
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Joseph B. Reid
17 Glebe Road West
Toronto M5P 1C8 Telephone 416-486-6071
