FR506054A - Perfectionnement aux indicateurs de pente - Google Patents

Perfectionnement aux indicateurs de pente

Info

Publication number
FR506054A
FR506054A FR506054A FR506054DA FR506054A FR 506054 A FR506054 A FR 506054A FR 506054 A FR506054 A FR 506054A FR 506054D A FR506054D A FR 506054DA FR 506054 A FR506054 A FR 506054A
Authority
FR
France
Prior art keywords
improvement
slope indicators
indicators
slope
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
FR506054A
Other languages
English (en)
Inventor
Raoul-Edouard Badin
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.)
RAOUL-EDOUARD BADIN
Original Assignee
RAOUL-EDOUARD BADIN
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 RAOUL-EDOUARD BADIN filed Critical RAOUL-EDOUARD BADIN
Application granted granted Critical
Publication of FR506054A publication Critical patent/FR506054A/fr
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
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR506054A 1919-01-13 1919-01-13 Perfectionnement aux indicateurs de pente Expired FR506054A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR506054T 1919-01-13

Publications (1)

Publication Number Publication Date
FR506054A true FR506054A (fr) 1920-08-13

Family

ID=8908855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR506054A Expired FR506054A (fr) 1919-01-13 1919-01-13 Perfectionnement aux indicateurs de pente

Country Status (1)

Country Link
FR (1) FR506054A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557021A (en) * 1946-09-12 1951-06-12 Standard Oil Dev Co Hydraulic system for measuring differences in elevation
US2672758A (en) * 1949-10-21 1954-03-23 Standard Oil Dev Co Preventing fluid pressure gauge hysteresis
US2844037A (en) * 1955-06-29 1958-07-22 Jack L Jordan Elevation indicator
FR2661744A1 (fr) * 1981-10-06 1991-11-08 Thomson Csf Altimetre differentiel.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557021A (en) * 1946-09-12 1951-06-12 Standard Oil Dev Co Hydraulic system for measuring differences in elevation
US2672758A (en) * 1949-10-21 1954-03-23 Standard Oil Dev Co Preventing fluid pressure gauge hysteresis
US2844037A (en) * 1955-06-29 1958-07-22 Jack L Jordan Elevation indicator
FR2661744A1 (fr) * 1981-10-06 1991-11-08 Thomson Csf Altimetre differentiel.

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