Oxygen apparatus

Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War Oxygen apparatus, 4 sets, German, probably 1st World War

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Oxygen apparatus, 4 sets, German, probably 1st World War, with instructions