Identity area
Reference code
PR-285-2017-026-018
Title
Demonstration of Royal Navy breathing apparatus
Date(s)
- [191-] (Creation)
Level of description
Item
Extent and medium
Photograph, B and W Print, 15.5 x 22.5 cm.
Context area
Name of creator
(1880-1948)
Repository
Archival history
Immediate source of acquisition or transfer
Donated in 2017.
Content and structure area
Scope and content
Photographer: Reginald Silk, Portsmouth.
Location: Undetermined.
Appraisal, destruction and scheduling
Accruals
System of arrangement
Conditions of access and use area
Conditions governing access
No restrictions.
Conditions governing reproduction
Language of material
Script of material
Language and script notes
Physical characteristics and technical requirements
Finding aids
Allied materials area
Existence and location of originals
Existence and location of copies
Related units of description
Notes area
Note
Notation on verso: "Photograph showing how the purifier is used when inside the Helmet. The purifier contains Oxylithe, which when meeting the breath of the user, gives off oxygen sufficient to keep him alive for 1 1/4 hours, or until when he gets to the surface after he has filled the Buoyancy Chamber, he can then open the Helmet Window, and get fresh air until picked up. / A. Mouthpiece of purifier. / B. Open tube / C. Purifier containing the Oxylithe."
Note
Text on Sailor's cap: H.M.S. Mercury.