FR1192888A - Apparatus for detecting the presence of co2 in an atmosphere and for indicating its quantity - Google Patents

Apparatus for detecting the presence of co2 in an atmosphere and for indicating its quantity

Info

Publication number
FR1192888A
FR1192888A FR1192888DA FR1192888A FR 1192888 A FR1192888 A FR 1192888A FR 1192888D A FR1192888D A FR 1192888DA FR 1192888 A FR1192888 A FR 1192888A
Authority
FR
France
Prior art keywords
atmosphere
indicating
detecting
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
French (fr)
Inventor
Henry Thomas Ringrose
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 filed Critical
Application granted granted Critical
Publication of FR1192888A publication Critical patent/FR1192888A/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
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
FR1192888D 1958-03-13 1958-03-13 Apparatus for detecting the presence of co2 in an atmosphere and for indicating its quantity Expired FR1192888A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1192888T 1958-03-13

Publications (1)

Publication Number Publication Date
FR1192888A true FR1192888A (en) 1959-10-29

Family

ID=9667611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1192888D Expired FR1192888A (en) 1958-03-13 1958-03-13 Apparatus for detecting the presence of co2 in an atmosphere and for indicating its quantity

Country Status (1)

Country Link
FR (1) FR1192888A (en)

Similar Documents

Publication Publication Date Title
FR1198450A (en) Method and device for electrically determining the content of aerosols in gases
FR1205844A (en) Method and device for determining the concentration of cyanides in solution
BE603259A (en) Method and apparatus for measuring the ability to combine serum proteins with thyroid hormonal substances
CH452235A (en) Device for the detection and measurement of sulfur halide
CH429224A (en) Apparatus for detecting the presence of foreign bodies in transparent containers
FR1192888A (en) Apparatus for detecting the presence of co2 in an atmosphere and for indicating its quantity
CH441802A (en) Recording device for recording the concentration of substances contained in liquid samples
BE577559A (en) Apparatus for detecting a variation in a characteristic of an object
BE573563A (en) Device for selectively detecting the presence of fission products in gases.
FR1176459A (en) Method and apparatus for detecting leaks in containers
CH340357A (en) Device for measuring the specific gravity of liquids
AT243526B (en) Device for automatic dosing of liquids
FR1214338A (en) Improvements to methods and devices for detecting translucent objects
FR1218980A (en) Apparatus for determining the content of muddy substance in sand
BE598814A (en) Method and apparatus for determining the silver content
FR1238061A (en) Device for unbalance detection
FR1267136A (en) Advanced indicating device for measuring device
ES70959Y (en) Measuring bottle and liquid transferrs
AT198978B (en) Device for measuring the specific gravity of liquids
FR1315725A (en) Method and apparatus for measuring the ability to combine serum proteins with thyroid hormonal substances
FR1281399A (en) Device for the detection and measurement of ionizing radiations
AT225964B (en) Device for measuring the volume of liquids
BE576006A (en) Method and device for measuring the moisture content of granular materials.
FR1291514A (en) Improved indicating device for measuring device
FR1200952A (en) Apparatus for determining thrust