Mounted cardboard draftsman diagrams for the pre-war LMS track formations of the signal box block of

Mounted cardboard draftsman diagrams for the pre-war LMS track formations of the signal box block of sections from Settle through to Carlisle, eleven in total. These look to be practice pieces from the railways engineering drawing office. Very well executed and of local historical interest (Est. plus 24% buyer's premium inc. VAT)