FR642268A - Speed indicator - Google Patents

Speed indicator

Info

Publication number
FR642268A
FR642268A FR642268DA FR642268A FR 642268 A FR642268 A FR 642268A FR 642268D A FR642268D A FR 642268DA FR 642268 A FR642268 A FR 642268A
Authority
FR
France
Prior art keywords
speed indicator
indicator
speed
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
Serge-Simon Held
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 filed Critical
Application granted granted Critical
Publication of FR642268A publication Critical patent/FR642268A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/02—Devices characterised by the use of mechanical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR642268D 1926-12-17 1926-12-17 Speed indicator Expired FR642268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR642268T 1926-12-17

Publications (1)

Publication Number Publication Date
FR642268A true FR642268A (en) 1928-08-25

Family

ID=8998720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642268D Expired FR642268A (en) 1926-12-17 1926-12-17 Speed indicator

Country Status (1)

Country Link
FR (1) FR642268A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669124A (en) * 1948-02-25 1954-02-16 Gen Electric Vacuum gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669124A (en) * 1948-02-25 1954-02-16 Gen Electric Vacuum gauge

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