POST OFFICE (INVESTIGATION BRANCH). (Hansard, 16 March 1925)

HC Deb 16 March 1925 vol 181 cc1842-3 1842

§ 38. Mr. AMMON
asked the Postmaster-General the number of test letters circulated by the investigation branch during the past year?

§ The ASSISTANT POSTMASTER-GENERAL (Viscount Wolmer)
No record is kept of the number of such letters.