Railway signalling discussion

LMS hump yard signal

Technical talk on signalling matters

Re: LMS hump yard signal

Unread postby Pete2320 » Wed Aug 9, 2017 2:34 pm

S&TEngineer wrote:Pete, you need to be careful there. The original MV-GRS (and later AEI-GRS) lamps and heads were much bigger than the more recent (ML/Westinghouse?) ones that exist today. The same type of larger lamp was used on the original AEI-GRS Junction Indicators and shunt signals installed at Watford and Dartford (and a few other places as well).

I think l know the type you mean, reminiscent of a jam jar bottom, but a strange jam jar! Still smaller than a main aspect though.
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