Her Majesty's Railway Inspectorate. The government body that oversees the safe running of main line and preserved railways. Top of Glossary L Light Railway Order Light Railway Order. NJV Northampton Steam Railway Limited Northampton Steam Railway Limited - Registered office 6 Hazlewood Road, Northampton. When a signal is up at an angle, or 'clear', it is said to be off.
Signalmen talk about pulling that signal off.
On, Signal When a signal is horzontal, or at danger, it is said to be on. The Operating Officer is the person 'in charge' of all train movements on the Railway for that day. A steam locomotive is not like a car or a diesel engine. It takes a number of hours to heat the water in the boiler to generate the required pressure of steam. Top of Glossary S Shed Shed is where the locomotives are cleaned, maintained and stored until required for running.