GB506550A - Improvements in or relating to portable temperature indicating instruments for household and similar purposes - Google Patents
Improvements in or relating to portable temperature indicating instruments for household and similar purposesInfo
- Publication number
- GB506550A GB506550A GB146338A GB146338A GB506550A GB 506550 A GB506550 A GB 506550A GB 146338 A GB146338 A GB 146338A GB 146338 A GB146338 A GB 146338A GB 506550 A GB506550 A GB 506550A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carrying
- transparent tube
- portable temperature
- household
- relating
- 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
Landscapes
- Paints Or Removers (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
506,550. Thermometers. WILSON, F. R. L. Jan. 17, 1938, No. 1463. [.Class 97 (iii)] A portable temperature incticating instrument comprises a rod or transparent tube carrying two substances which change colour at different temperatures and which present contrasted colours at normal temperatures and when heated. As shown, a band A carrying a coating of mercuric cuprous iodide, which changes from scarlet to black at 160 F., and a band B carrying a coating of mercuric silver iodide, which changes from lemon yellow to orange pink at 104‹ F., are held against the inner wall of a transparent tube C by packing F and spacing rings, D and E. In a modification the colour changing substances are applied in bands to the end of a solid rod and are protected by an outer transparent tube. Specification 442,992 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB146338A GB506550A (en) | 1938-01-17 | 1938-01-17 | Improvements in or relating to portable temperature indicating instruments for household and similar purposes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB146338A GB506550A (en) | 1938-01-17 | 1938-01-17 | Improvements in or relating to portable temperature indicating instruments for household and similar purposes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB506550A true GB506550A (en) | 1939-05-31 |
Family
ID=9722413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB146338A Expired GB506550A (en) | 1938-01-17 | 1938-01-17 | Improvements in or relating to portable temperature indicating instruments for household and similar purposes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB506550A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3693448A (en) * | 1970-10-12 | 1972-09-26 | Myles Corp Lee | Indicating device for engines |
GB2258918A (en) * | 1991-08-19 | 1993-02-24 | Trada Technology Limited | Temperature indicators |
GB2310283A (en) * | 1996-02-15 | 1997-08-20 | James Ronald Hicken | Chill and scald warning indicator of water temperature |
GB2318870A (en) * | 1996-10-30 | 1998-05-06 | James Ronald Hicken | Device for indicating adequate defrosting of poultry |
GB2355305A (en) * | 1999-10-12 | 2001-04-18 | Donarte Mary Ann Rose | Safety water temperature indicator |
-
1938
- 1938-01-17 GB GB146338A patent/GB506550A/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3693448A (en) * | 1970-10-12 | 1972-09-26 | Myles Corp Lee | Indicating device for engines |
GB2258918A (en) * | 1991-08-19 | 1993-02-24 | Trada Technology Limited | Temperature indicators |
GB2310283A (en) * | 1996-02-15 | 1997-08-20 | James Ronald Hicken | Chill and scald warning indicator of water temperature |
GB2310283B (en) * | 1996-02-15 | 2000-06-21 | James Ronald Hicken | Temperature warning indicator |
GB2318870A (en) * | 1996-10-30 | 1998-05-06 | James Ronald Hicken | Device for indicating adequate defrosting of poultry |
GB2318870B (en) * | 1996-10-30 | 2001-03-07 | James Ronald Hicken | This invention relates to a defrost temperature indicator device for frozen whole poultry birds |
GB2355305A (en) * | 1999-10-12 | 2001-04-18 | Donarte Mary Ann Rose | Safety water temperature indicator |
GB2355305B (en) * | 1999-10-12 | 2003-03-26 | Mary-Ann Rose Donarte | Safety device |
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