International records / UK National Archives

Microphones and headsets: exposure tests

AVIA 45/49 | Ministry of Supply: Tropical Testing Establishment, Nigeria: Reports and Memoranda. Headquarters Reports. | Microphones and headsets: exposure tests.

No file is held for this record yet. The catalogue entry and the link to where it was published are kept.

Source	UK National Archives
Collection	International records
Kind	Document
Publisher	The National Archives, Kew
Date	1946
Type	catalogue level 6, closure O
Details	series AVIA 45
Found at	https://discovery.nationalarchives.gov.uk/details/r/C486914
Archived copy	Look it up in the Wayback Machine
Record ID	`uk-tna-discovery:C486914`

Cite this record

Microphones and headsets: exposure tests. UK National Archives, 1946. Vero Archive, record uk-tna-discovery:C486914.