FR420227A - Method and apparatus for indicating and determining the proportion of combustible substances mixed with air - Google Patents

Method and apparatus for indicating and determining the proportion of combustible substances mixed with air

Info

Publication number
FR420227A
FR420227A FR420227A FR420227DA FR420227A FR 420227 A FR420227 A FR 420227A FR 420227 A FR420227 A FR 420227A FR 420227D A FR420227D A FR 420227DA FR 420227 A FR420227 A FR 420227A
Authority
FR
France
Prior art keywords
proportion
indicating
determining
air
combustible substances
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
FR420227A
Other languages
French (fr)
Inventor
Hans Breitbart
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 FR420227A publication Critical patent/FR420227A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
    • G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
FR420227A 1910-08-12 1910-08-12 Method and apparatus for indicating and determining the proportion of combustible substances mixed with air Expired FR420227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191019008T 1910-08-12

Publications (1)

Publication Number Publication Date
FR420227A true FR420227A (en) 1911-01-25

Family

ID=32563689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420227A Expired FR420227A (en) 1910-08-12 1910-08-12 Method and apparatus for indicating and determining the proportion of combustible substances mixed with air

Country Status (2)

Country Link
FR (1) FR420227A (en)
GB (1) GB191019008A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE554341A (en) * 1956-01-20
CN113466428A (en) * 2021-05-21 2021-10-01 江苏健安安全科技有限公司 Grading test device for explosive objects in factory building

Also Published As

Publication number Publication date
GB191019008A (en) 1911-06-01

Similar Documents

Publication Publication Date Title
FR420227A (en) Method and apparatus for indicating and determining the proportion of combustible substances mixed with air
BE603126Q (en) Air purging methods and apparatus for fluid pumps
US2406409A (en) Dust gauge
FR470875A (en) Method and apparatus for the automatic analysis of gases or liquids
FR422883A (en) Apparatus intended for testing air or other gases and operating by the change of color of a liquid reagent
FR414116A (en) Method and device for the immediate measurement of distances
FR427128A (en) Method for measuring and regulating the concentration of coloring solutions
FR1125311A (en) Photographic opacity indicator for determining the effectiveness of gas scrubbers or similar apparatus
RU95104250A (en) Apparatus for measurement of mechanical impurities in liquid mediums
FR426677A (en) Bellows device for membrane gas meters known as "dry meters"
FR419923A (en) Indicator for recording the date and time of barometer readings
FR463609A (en) Method and device for the enrichment of graphites and fuels in general
FR434661A (en) Method and apparatus for studying air movements
FR427427A (en) Instrument for gemstone inspection
FR403273A (en) Means and apparatus for purifying the air in dwellings and other places
FR411310A (en) Method and apparatus for testing air or other gases for their determined gas content
FR522471A (en) Improved method and apparatus for dispensing free or finely divided materials, such as flour and the like
FR423710A (en) Improvements in the manufacture of artificial fuels and the machines used for this manufacture
FR412913A (en) Method and apparatus for the flow of gases at constant volume and independent of their specific gravity
CH47580A (en) Alidade for measuring distances and heights
FR437186A (en) Device applicable to all water purifiers for the exact dosage of the reagent and the water to be purified
CH58569A (en) Apparatus for measuring gas and steam quantities
FR423083A (en) Device for the remote transmission of indications from indicating devices and measuring devices
FR467018A (en) Method and apparatus for the preparation of ores and other similar substances
FR422068A (en) Device for the temporary lighting of dials and graduated scales in measuring devices of all kinds