GB191027254A - Apparatus for Testing Air or other Gases by their Action in Changing the Colour of a Liquid Reagent. - Google Patents

Apparatus for Testing Air or other Gases by their Action in Changing the Colour of a Liquid Reagent.

Info

Publication number
GB191027254A
GB191027254A GB191027254DA GB191027254A GB 191027254 A GB191027254 A GB 191027254A GB 191027254D A GB191027254D A GB 191027254DA GB 191027254 A GB191027254 A GB 191027254A
Authority
GB
United Kingdom
Prior art keywords
colour
thread
gases
changing
action
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 GB191027254A publication Critical patent/GB191027254A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B3/00—Ploughs with fixed plough-shares
    • A01B3/04—Animal-drawn ploughs
    • A01B3/16—Alternating ploughs, i.e. capable of making an adjacent furrow on return journey
    • A01B3/18—Turn-wrest ploughs
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Zoology (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Agricultural Machines (AREA)
GB191027254D 1909-11-23 1910-11-23 Apparatus for Testing Air or other Gases by their Action in Changing the Colour of a Liquid Reagent. Expired GB191027254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191027254X 1909-11-23

Publications (1)

Publication Number Publication Date
GB191027254A true GB191027254A (en) 1911-08-31

Family

ID=32479188

Family Applications (4)

Application Number Title Priority Date Filing Date
GBK27263D Active GB191027263A (cs) 1909-11-23
GBK18502D Active GB191018502A (cs) 1909-11-23
GB191027253D Expired GB191027253A (en) 1909-11-23 1910-11-23 Apparatus for Testing Air or other Gases by their Action in Changing the Colour of a Liquid Reagent.
GB191027254D Expired GB191027254A (en) 1909-11-23 1910-11-23 Apparatus for Testing Air or other Gases by their Action in Changing the Colour of a Liquid Reagent.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GBK27263D Active GB191027263A (cs) 1909-11-23
GBK18502D Active GB191018502A (cs) 1909-11-23
GB191027253D Expired GB191027253A (en) 1909-11-23 1910-11-23 Apparatus for Testing Air or other Gases by their Action in Changing the Colour of a Liquid Reagent.

Country Status (3)

Country Link
DE (10) DE256263C (cs)
FR (1) FR422883A (cs)
GB (4) GB191027253A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505664A (en) * 1948-03-12 1950-04-25 Harrell N Edwards Colostomy ring

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3847028B2 (ja) 1999-07-30 2006-11-15 株式会社日立製作所 内燃機関用ピストン及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505664A (en) * 1948-03-12 1950-04-25 Harrell N Edwards Colostomy ring

Also Published As

Publication number Publication date
DE256263C (cs)
GB191027253A (en) 1911-11-23
DE231118C (cs)
FR422883A (fr) 1911-04-01
DE232200C (cs)
DE241076C (cs)
DE241073C (cs)
GB191027263A (cs)
DE241075C (cs)
GB191018502A (cs)
DE247165C (cs)
DE231117C (cs)
DE241074C (cs)
DE233225C (cs)

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