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1. Agreements

Date:
c.1951-1964
Reference No:
C DBTH/3/14/1/1

2. Agreements

Date:
1955-1965
Reference No:
C DBTH/3/14/2/1

3. Agreements and correspondence

Date:
1951-1963
Reference No:
C DBTH/3/14/3/1

4. Correspondence

Date:
1949-1964
Reference No:
C DBTH/3/14/1/2

5. Correspondence (Kelvin Hughes only)

Date:
1953-1962
Reference No:
C DBTH/3/14/1/3

6. Cossor correspondence

Date:
1950-1957
Reference No:
C DBTH/3/14/2/3

7. Decca correspondence

Date:
1954-1958
Reference No:
C DBTH/3/14/2/2

8. File of licenses issued under the Wireless Telegraph Act of 1949

Date:
unknown
Reference No:
C DBTH/3/14/5

9. Schedule of agreement's relating to wireless, radar, etc. equipment

Date:
unknown
Reference No:
C DBTH/3/14/4