GB217907A - Improvements in or relating to reflecting water level gauges - Google Patents

Improvements in or relating to reflecting water level gauges

Info

Publication number
GB217907A
GB217907A GB14720/24A GB1472024A GB217907A GB 217907 A GB217907 A GB 217907A GB 14720/24 A GB14720/24 A GB 14720/24A GB 1472024 A GB1472024 A GB 1472024A GB 217907 A GB217907 A GB 217907A
Authority
GB
United Kingdom
Prior art keywords
relating
water level
level gauges
reflecting water
reflecting
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
GB14720/24A
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
Publication of GB217907A publication Critical patent/GB217907A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details
    • G01C9/32—Means for facilitating the observation of the position of the bubble, e.g. illuminating means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

217,907. Boizard, R. June 21, 1923, [Convention date]. Gauge glasses.-The inner face of the glass front of a gauge has reflecting surfaces a forming a single prismatic, projection. The outer face b is convex or flat.
GB14720/24A 1923-06-21 1924-06-18 Improvements in or relating to reflecting water level gauges Expired GB217907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR217907X 1923-06-21

Publications (1)

Publication Number Publication Date
GB217907A true GB217907A (en) 1924-11-20

Family

ID=8881357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14720/24A Expired GB217907A (en) 1923-06-21 1924-06-18 Improvements in or relating to reflecting water level gauges

Country Status (1)

Country Link
GB (1) GB217907A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152669A (en) * 1984-01-10 1985-08-07 Thorn Emi Domestic Appliances A liquid level indicator
WO2020065038A1 (en) 2018-09-27 2020-04-02 Saint-Gobain Glass France Electrically controllable device having variable diffusion by liquid crystals, and method for same
FR3086771A1 (en) 2018-09-27 2020-04-03 Saint-Gobain Glass France ELECTRICALLY CONTROLLABLE DEVICE WITH VARIABLE DIFFUSION BY LIQUID CRYSTALS AND METHOD THEREOF.
WO2021198596A1 (en) 2020-04-01 2021-10-07 Saint-Gobain Glass France Electrically controllable device having variable diffusion by liquid crystals, and method for same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152669A (en) * 1984-01-10 1985-08-07 Thorn Emi Domestic Appliances A liquid level indicator
WO2020065038A1 (en) 2018-09-27 2020-04-02 Saint-Gobain Glass France Electrically controllable device having variable diffusion by liquid crystals, and method for same
FR3086771A1 (en) 2018-09-27 2020-04-03 Saint-Gobain Glass France ELECTRICALLY CONTROLLABLE DEVICE WITH VARIABLE DIFFUSION BY LIQUID CRYSTALS AND METHOD THEREOF.
WO2021198596A1 (en) 2020-04-01 2021-10-07 Saint-Gobain Glass France Electrically controllable device having variable diffusion by liquid crystals, and method for same
FR3108990A1 (en) 2020-04-01 2021-10-08 Saint-Gobain Glass France ELECTRO-CONTROLLED DEVICE WITH VARIABLE DIFFUSION
US12001111B2 (en) 2020-04-01 2024-06-04 Saint-Gobain Glass France Electrically controllable device having variable diffusion by liquid crystals, and method for same

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