Great Central Railwayana Auctions

Auction Catalogue: Great Central Railwayana, 2 December 2017

Great Central Railwayana Auction Sale 237, Auction Lot 8
Lot 8 A M&GN Joint Railway signal box diagram, WRYDE GROUND APPARATUS, May 1906, from the Peterborough to Wisbech section, showing the line towards Thorney and Murrow, sidings and lie by. The ground apparatus by the down main was used for automatic tablet exchange. Original frame, 23½"x12½". £100-200
 This lot sold for £320.