The New Zealand Railways Magazine, Volume 11, Issue 6 (September 1, 1936)
Diagram showing (above) the grades on the London-Newcastle Section of railway, England, and (below) the grades on the Wellington-Te Kuiti section of the North Island Main Trunk Line, New Zealand
Diagram showing (above) the grades on the London-Newcastle Section of railway, England, and (below) the grades on the Wellington-Te Kuiti section of the North Island Main Trunk Line, New Zealand.