FR402458A - Device for suppressing the influence of variations in the pressure of the outside atmospheric air on measurement operations - Google Patents

Device for suppressing the influence of variations in the pressure of the outside atmospheric air on measurement operations

Info

Publication number
FR402458A
FR402458A FR402458DA FR402458A FR 402458 A FR402458 A FR 402458A FR 402458D A FR402458D A FR 402458DA FR 402458 A FR402458 A FR 402458A
Authority
FR
France
Prior art keywords
suppressing
influence
variations
pressure
atmospheric air
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
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 FR402458A publication Critical patent/FR402458A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/28—Measuring temperature based on the expansion or contraction of a material the material being a gas
    • G01K5/30—Measuring temperature based on the expansion or contraction of a material the material being a gas the gas displacing a liquid column
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three CH groups

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
FR402458D 1908-04-28 1909-04-27 Device for suppressing the influence of variations in the pressure of the outside atmospheric air on measurement operations Expired FR402458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE402458X 1931-06-05

Publications (1)

Publication Number Publication Date
FR402458A true FR402458A (en) 1909-10-09

Family

ID=6411538

Family Applications (2)

Application Number Title Priority Date Filing Date
FR402458D Expired FR402458A (en) 1908-04-28 1909-04-27 Device for suppressing the influence of variations in the pressure of the outside atmospheric air on measurement operations
FR738121D Expired FR738121A (en) 1931-06-05 1932-06-03 Method for red sensitizing photographic gelatin silver halide emulsions

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR738121D Expired FR738121A (en) 1931-06-05 1932-06-03 Method for red sensitizing photographic gelatin silver halide emulsions

Country Status (3)

Country Link
BE (1) BE388884A (en)
FR (2) FR402458A (en)
GB (1) GB402458A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476669A (en) * 1944-05-18 1949-07-19 Eastman Kodak Co Production of thiazoles and selenazoles with fused-on rings
US2447332A (en) * 1944-05-18 1948-08-17 Eastman Kodak Co Trimethine cyanine dyes
US2694716A (en) * 1951-10-17 1954-11-16 Eastman Kodak Co Polymethylene-bis-benzothiazolium salts

Also Published As

Publication number Publication date
BE388884A (en)
GB402458A (en) 1933-12-04
FR738121A (en) 1932-12-21

Similar Documents

Publication Publication Date Title
FR402458A (en) Device for suppressing the influence of variations in the pressure of the outside atmospheric air on measurement operations
FR389973A (en) Device for proving the existence of atmospheric pressure
FR386099A (en) Advanced device for humidifying the air
FR394969A (en) Apparatus for rising and moving in air and moving on water
FR377459A (en) Device for the distribution of compressed air for ventilation
FR428955A (en) Device automatically controlling the device for balancing the pressure in the cylinders when starting and when idling locomotives
AT74108B (en) Device for measuring the pressure and the speed of breathing air.
FR350537A (en) Device for extracting dust or impurities from the air by means of compressed air
FR386270A (en) Device for indicating the presence of foreign gases in atmospheric air
FR391607A (en) Device for adjusting the additional air intake in the carburetors
FR396865A (en) Device for cooling air and water
FR418288A (en) Device to perfume the air
FR8777E (en) Device for forming and keeping the fold of the pants
FR11583E (en) Advanced device for humidifying the air
FR386962A (en) Pneumatic device for shipping and receiving correspondence or small parcels
FR397719A (en) Inhaler funnel suitable for all containers
FR432608A (en) Device for the automatic exchange of correspondence and postal parcels on railways
FR381575A (en) Scattering device for compressed air
FR393324A (en) Automatic pressure delay device for torpedo air superheater
FR345859A (en) Device for measuring altitude differences
FR404998A (en) Apparatus for rising and moving through the air
FR374674A (en) Device for producing compressed air
FR428921A (en) Differential device for measuring low pressure or low pressure
FR355106A (en) Device for spraying liquids and humidifying the air
FR392748A (en) Warning device with air pump for cars