FR549948A - Electrical warning of temperature variations - Google Patents
Electrical warning of temperature variationsInfo
- Publication number
- FR549948A FR549948A FR549948DA FR549948A FR 549948 A FR549948 A FR 549948A FR 549948D A FR549948D A FR 549948DA FR 549948 A FR549948 A FR 549948A
- Authority
- FR
- France
- Prior art keywords
- temperature variations
- electrical warning
- warning
- electrical
- variations
- 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
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
- G01K5/02—Measuring temperature based on the expansion or contraction of a material the material being a liquid
- G01K5/16—Measuring temperature based on the expansion or contraction of a material the material being a liquid with electric contacts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR549948T | 1922-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR549948A true FR549948A (en) | 1923-02-22 |
Family
ID=8935852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR549948D Expired FR549948A (en) | 1922-04-08 | 1922-04-08 | Electrical warning of temperature variations |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR549948A (en) |
-
1922
- 1922-04-08 FR FR549948D patent/FR549948A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR511057A (en) | Device indicating temperature | |
FR549948A (en) | Electrical warning of temperature variations | |
FR542147A (en) | Temperature indicator | |
FR567224A (en) | Electrical appliance | |
NL12148C (en) | Thermometer | |
FR578260A (en) | Electric temperature regulator | |
FR542451A (en) | Electric warning thermometer | |
FR559125A (en) | Temperature controller | |
FR533751A (en) | Thermo-electric temperature warning switch | |
FR553220A (en) | Electrical warning signal | |
FR559198A (en) | Electric switch | |
FR567039A (en) | Temperature indicator | |
FR600767A (en) | Temperature measurement | |
FR499240A (en) | Temperature indicator | |
FR526727A (en) | Temperature regulator | |
FR619750A (en) | Electric temperature regulator or alarm | |
FR556612A (en) | Electrical temperature meter for refrigeration and similar installations | |
FR554280A (en) | Temperature rise warning | |
FR580310A (en) | Temperature indicator | |
FR550151A (en) | Alarm and temperature controller | |
FR569497A (en) | Thermometer activating an electric bell to signal a specific drop in temperature | |
FR586672A (en) | Temperature regulator | |
FR577375A (en) | Temperature regulator | |
FR552074A (en) | Electric meter | |
FR535588A (en) | Electric heater |