Tropic proofing of optical instruments

AVIA 45/165 | Ministry of Supply: Tropical Testing Establishment, Nigeria: Reports and Memoranda. Reports. | Tropic proofing of optical instruments.

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/C487030
Archived copy	Look it up in the Wayback Machine
Record ID	`uk-tna-discovery:C487030`

Tropic proofing of optical instruments. UK National Archives, 1946. Vero Archive, record uk-tna-discovery:C487030.