| Title | ACCOUNTANT'S DEPARTMENT FILE RELATING TO ELECTRICITY NATIONALISATION: MID WALES ELECTRIC POWER; COUNTY OF LONDON ELECTRIC SUPPLY AND 11 SUBSIDIARIES; YORKSHIRE ELECTRIC POWER AND ONE SUBSIDIARY; THE METROPOLITAN ELECTRIC SUPPLY AND THREE SUBSIDIARIES; THE CLYDE VALLEY ELECTRIC POWER CO; NORTHAMPTON ELECTRIC LIGHT AND POWER AND TWO SUBSIDIARIES |