GB191208199A - Improvements in or relating to Apparatus for Testing Air and Gases. - Google Patents

Improvements in or relating to Apparatus for Testing Air and Gases.

Info

Publication number
GB191208199A
GB191208199A GB191208199DA GB191208199A GB 191208199 A GB191208199 A GB 191208199A GB 191208199D A GB191208199D A GB 191208199DA GB 191208199 A GB191208199 A GB 191208199A
Authority
GB
United Kingdom
Prior art keywords
thread
sloping
reagent
tube
gases
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Max Arndt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191208199A publication Critical patent/GB191208199A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Paleontology (AREA)
  • Soil Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Environmental & Geological Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mining & Mineral Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Closures For Containers (AREA)
GB191208199D 1911-04-06 1912-04-04 Improvements in or relating to Apparatus for Testing Air and Gases. Expired GB191208199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191208199X 1911-04-06

Publications (1)

Publication Number Publication Date
GB191208199A true GB191208199A (en) 1912-05-16

Family

ID=32522385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191208199D Expired GB191208199A (en) 1911-04-06 1912-04-04 Improvements in or relating to Apparatus for Testing Air and Gases.

Country Status (3)

Country Link
DE (2) DE242630C (enrdf_load_stackoverflow)
FR (2) FR426099A (enrdf_load_stackoverflow)
GB (1) GB191208199A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE242630C (enrdf_load_stackoverflow)
DE242540C (enrdf_load_stackoverflow)
FR426099A (fr) 1911-06-27
FR442099A (fr) 1912-08-23

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