GB189518188A - Method of and Apparatus for Detecting and Indicating the Presence of Fire-damp or other Noxious Gas or Gases in the Atmosphere of Mines and other Places.
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Method of and Apparatus for Detecting and Indicating the Presence of Fire-damp or other Noxious Gas or Gases in the Atmosphere of Mines and other Places.
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Erhard Ludwig Mayer
George Bush
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Individual
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Individual
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GB189518188D1895-09-281895-09-28Method of and Apparatus for Detecting and Indicating the Presence of Fire-damp or other Noxious Gas or Gases in the Atmosphere of Mines and other Places.
ExpiredGB189518188A
(en)
Method of and Apparatus for Detecting and Indicating the Presence of Fire-damp or other Noxious Gas or Gases in the Atmosphere of Mines and other Places.
Method of and Apparatus for Detecting and Indicating the Presence of Fire-damp or other Noxious Gas or Gases in the Atmosphere of Mines and other Places.
Improvements in Apparatus for Detecting and Estimating the Proportion of Fire-damp or other Inflammable Gases in the Atmosphere of Mines and other Spaces.
Improvements in and relating to Apparatus for Lighting, Extracting, and Destroying Sewer and such like Gases, also for Ventilating, Heating, and Consuming Smoke.