Here is a fold out map on cloth of N.W London & Watford, ordnance survey map printed by the Ministry of Agriculture & Fisheries, fifth edition.  Date shows Parish boundaries revised 1939.

Paper covers backed, heavy marks and rubbing to paper covers, name and address inscribed to inside cover and brown tape to inside of cover. Some holes in places to centre but map all holding as backed by cloth and splits on edges, 2" split to bottom, marks and age discolouration - please go by all photos for condition.  Measures approx 31" x 30"