| Description | Local war instructions, report centre work and notes for instruction of report centre staff. Circular letter to divisional directors – duty posters for watch keeping. Circular letter from Home Office to clerks of county councils and town clerks re ‘Black out’ exercise 15/16th July 1939 and memorandum, also August 9/10th. Letter from ARP officer to divisional directors – Programme of black-out exercises. List of telephone numbers of control and report centres. Notes on umpiring exercises. Summary of results of discussion on the August black-out exercise. Circular letter from the ARP Office to divisional directors on the air raid warning system. Instructions for householders about their local air raid warden’s post, and air raid precautions generally. Instructions re spray detectors. ‘LOWIN’ was the code name for local war instructions which were to be put into operation on instructions from the Home Office. Notes on unexploded bombs and shells. Insurance cover for vehicles used on civil defence. Notes for divisional directors on receipt of ‘yellow’ warning, reporting of occurrences, situation reports and major damage reports. Circulars from Eastern regional office re ARP services during air raids. (This is a general file on all sorts of matters relating to air raid precautions, later on there were files on each subject, for example, ‘transport’, ‘wardens’ posts’, ‘gas and respirators’, etc. ) Circulars on this file from the ARP officer. |