| Description | Incomplete set, including regular (1936), special emergency (1938) and provisional (1944-1946) editions for Birmingham and parts of Warwickshire, south Staffordshire and north-east Worcestershire.
The special emergency edition comprises second or third edition six-inch maps with partial revision in 1938.
The provisional edition is essentially the same revision as the special emergency edition, prepared for general publication; Ordnance Survey national grid lines are shown at 1 km intervals, although on some sheets no grid numbers or explanation are given. |