INSTRUCTIONS.
Reading edition
Superelevation or “Cant.”
Expansion of Rails.
Gauge and Checking of Curves.
W. W. GRIERSON, Chief Engineer.
Paddington, June, 1922.
Reading edition
Superelevation or “Cant.”
Expansion of Rails.
Gauge and Checking of Curves.
W. W. GRIERSON, Chief Engineer.
Paddington, June, 1922.