GB628719A - Improvements in liquid level indicators - Google Patents
Improvements in liquid level indicatorsInfo
- Publication number
- GB628719A GB628719A GB2712347A GB2712347A GB628719A GB 628719 A GB628719 A GB 628719A GB 2712347 A GB2712347 A GB 2712347A GB 2712347 A GB2712347 A GB 2712347A GB 628719 A GB628719 A GB 628719A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid level
- shutter
- gap
- barriers
- screen
- 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
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
628,719. lndicating-apparatus. HOPKINSONS, Ltd., DALE, W. B., and BROWN, R. L. Oct. 9, 1947, No. 27123. [Class 106 (iv)] A liquid level indicator comprises a translucent screen a upon which the liquid level indications are made, a movable opaque shutter b passing through a gap c between translucent barriers d, e, of different colours, the shutter b pivoting about an axis lying in this gap between adjacent ends of the barriers d, e, and at its end remote from the screen a forming a movable division between electric lamps g, h, means i being provided for moving the shutter b about the axis as the liquid. level rises, so that the areas illuminated by the respective colours are varied accordingly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2712347A GB628719A (en) | 1947-10-09 | 1947-10-09 | Improvements in liquid level indicators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2712347A GB628719A (en) | 1947-10-09 | 1947-10-09 | Improvements in liquid level indicators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB628719A true GB628719A (en) | 1949-09-02 |
Family
ID=10254589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2712347A Expired GB628719A (en) | 1947-10-09 | 1947-10-09 | Improvements in liquid level indicators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB628719A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3439647A (en) * | 1965-08-27 | 1969-04-22 | Metrawatt Ag | Indicating apparatus |
-
1947
- 1947-10-09 GB GB2712347A patent/GB628719A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3439647A (en) * | 1965-08-27 | 1969-04-22 | Metrawatt Ag | Indicating apparatus |
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