LNWR Fletcher's Signal Box block instrument plated Main Line No 3 box, needles are free moving and overall excellent service condition.
LNER FLETCHERS ABSOLUTE BLOCK INSTRUMENT SIGNAL BOX RAILWAYANA MAIN LINE
BR Institution of Absolute Block Working ticket with counterfoil not issued
British Railways Institution of Absolute Block Working Book of UP Tickets
ABSOLUTE ASPECTS 'OO' GAUGE 3 ASPECT WITH ROUTE INDICATOR
