Specification of Arnold Hirst Watkins : respirators.

  • Watkins, Arnold Hirst.
Date:
1871
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Credit

Specification of Arnold Hirst Watkins : respirators. Public Domain Mark. Source: Wellcome Collection.

About this work

Description

Patent for "an improved respirator to be used in confined positions rendered unhealthy from the presence of noxious gases or effluvia"

Publication/Creation

London : Great Seal Patent Office, 1871 (London : George E. Eyre and William Spottiswoode)

Physical description

2 pages ; 28 cm

Contributors

Notes

Cover title.
At head of title: A.D. 1870, 2nd November. No. 3056.
"Arnold Hirst Watkins, of Nailsworth, in the county of Gloucester,brewer".

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Where to find it

  • LocationStatusAccess
    Closed stores
    Pat. vol. 33
  • Location Access
    Closed stores
    Pat. vol. 33:8

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