FR345859A - Device for measuring altitude differences - Google Patents

Device for measuring altitude differences

Info

Publication number
FR345859A
FR345859A FR345859DA FR345859A FR 345859 A FR345859 A FR 345859A FR 345859D A FR345859D A FR 345859DA FR 345859 A FR345859 A FR 345859A
Authority
FR
France
Prior art keywords
altitude differences
measuring altitude
measuring
differences
altitude
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
Other languages
French (fr)
Inventor
Joseph Bonnet
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
Application granted granted Critical
Publication of FR345859A publication Critical patent/FR345859A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/18Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements using liquid as the pressure-sensitive medium, e.g. liquid-column gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR345859D 1904-08-25 1904-08-25 Device for measuring altitude differences Expired FR345859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR345859T 1904-08-25

Publications (1)

Publication Number Publication Date
FR345859A true FR345859A (en) 1904-12-20

Family

ID=1394621

Family Applications (1)

Application Number Title Priority Date Filing Date
FR345859D Expired FR345859A (en) 1904-08-25 1904-08-25 Device for measuring altitude differences

Country Status (1)

Country Link
FR (1) FR345859A (en)

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