"Her Majesty's Railway Inspectorate" . "Inspector" . . . . . . . "Commissioner to enquire into the Causes of Accidents on Railways" . "Railway Inspectorate" . . . . . . . . . "inspector" . . "Railway Department" . . . . . "Railways Inspectorate" . . . . . "Commissioners of Railways" . "railway inspectorate" . "Chief Inspecting Officer" . "HMRI" . . . . . . "Chief Inspecting Officer of Railways" . . "Inspector General of Railways" . . . "1840" . "Board of Trade" . "HM Rail Inspectorate" . "Her Majesty's Railway Inspectorate" . "Inspector of Railways" . . . "Government Inspecting Officer for Railways" .