Scope and Contents Correspondents on defence inventions and suggestions from the general public include: Richard Powell [Assistant Private Secretary to the First Lord of the Admiralty] (3); Desmond Morton [Director, Industrial Intelligence Centre]; Sir Christopher Bullock [Permanent Secretary], Air Ministry; Ralph Assheton [later 1st Lord Clitheroe]; Colonel George Turner [former Superintendent, Design Department, Royal Arsenal]; Lieutenant-Colonel Charles Thoroton on the advantages of Admiralty control of the...