Photo The Helmdon Cabin… the signal box for the Great Central line 1899 ← Previous photoMary Ann Wall (nee Finch) – also known as Polly5 of 274Next photo →The Chequers around 1900 drawn by Will Watson The Helmdon Cabin… the signal box for the Great Central line. The signalman pictured is Herb Saunders who let the first passenger train through Helmdon Station in March 1899. TopicsPicture gallery: Railways ← Previous photoMary Ann Wall (nee Finch) – also known as Polly5 of 274Next photo →The Chequers around 1900 drawn by Will Watson