Improvements in apparatus for respiring in foul air / [Alexander Bernhard Dräger].

  • Dräger, Alexander Bernhard.
Date:
1901
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Credit

Improvements in apparatus for respiring in foul air / [Alexander Bernhard Dräger]. Public Domain Mark. Source: Wellcome Collection.

About this work

Publication/Creation

Redhill : Printed for His Majesty's Stationery Office by Malcomson & Co., Ltd, 1901.

Physical description

2 pages, 1 folded leaf of plates : illustrations

References note

Patent reference : 1901/20558

Notes

Patent specification
Contains the complete specification

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    1901.20558

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