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Spontaneous or self ignition temperature indicator: patent application by W. Helmore

Catalogue reference: AVIA 13/117

What’s it about?

This record is about the Spontaneous or self ignition temperature indicator: patent application by W. Helmore dating from 1931-1933 in the series Air Ministry and successors: Royal Aircraft Establishment (from 1988, Royal Aerospace.... It is held at The National Archives, Kew.

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Full description and record details

Reference
AVIA 13/117
Date
1931-1933
Description

Spontaneous or self ignition temperature indicator: patent application by W. Helmore

Held by
The National Archives, Kew
Former department reference
Code 1 1813-1
Legal status
Public Record(s)
Closure status
Open Document, Open Description
Subjects
Topics
Air Force
Armed Forces (General Administration)
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C2376903/

Series information

AVIA 13

Air Ministry and successors: Royal Aircraft Establishment (from 1988, Royal Aerospace...

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Catalogue hierarchy

Over 27 million records

This record is held at The National Archives, Kew

96,520 records

Within the department: AVIA

Records created or inherited by the Ministry of Aviation and successors, the Air...

1,465 records

Within the series: AVIA 13

Air Ministry and successors: Royal Aircraft Establishment (from 1988, Royal Aerospace...

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Spontaneous or self ignition temperature indicator: patent application by W. Helmore

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