Improvements in ventilating head gear / [Thomas Blacklock Harris].

  • Harris, Thomas Blacklock.
Date:
1898
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Credit

Improvements in ventilating head gear / [Thomas Blacklock Harris]. Public Domain Mark. Source: Wellcome Collection.

About this work

Publication/Creation

Redhill : Printed for Her Majesty's Stationery Office by Malcomson & Co., Ltd, 1898.

Physical description

2 pages, 2 folded leaves of plates : illustrations

Contributors

References note

Patent reference : 1897/5722

Notes

Patent specification
Contains both the provisional and the complete specification

Type/Technique

Languages

Where to find it

  • LocationStatusAccess
    Closed stores
    1897.5722

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