"Complication for simplicity's sake"
Article by Stewart Hine from 'Model Railways' November 1979

"Linked section control"
Articles by L. E. Carroll from 'Model Railway News':

• General Principles, September 1953
• Single Lines and Ovals, October 1953
• Junctions and Return Loops, December 1953

"Linked Section Control in action“
Article by L. E. Carroll from 'Model Railway News' June 1958

"Signal-box Sub-sectioning"
Article by L. E. Carroll from 'Model Railway News' June 1956

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Picture 1 - Peco 3-way point, from within MERG Wiki entry: Public Help pages

Picture 2 - “Something to Celebrate” - Saturday March 4th 2017 - Cake by the Warwickshire and North Oxfordshire MERG Area Group - MERG 50th rosette by Rodney Hills M1301 based on free clipart from: Clipart Library

Picture 3 - “Puddlecombe No.2” - Underlining the need to make lever frames, that have proper prototypical locking, used on MODEL railways strong enough to withstand operation by the heaviest-handed 12”/ft human being.

MoRAG-R: - Model Railway ARCHIVE Group

MoRAG-N: - Model Railway ANIMATION Group

MoRAG-U: - Model Railway AUTOMATA Group