FR528578A - Improvements to speedometers - Google Patents

Improvements to speedometers

Info

Publication number
FR528578A
FR528578A FR528578A FR528578DA FR528578A FR 528578 A FR528578 A FR 528578A FR 528578 A FR528578 A FR 528578A FR 528578D A FR528578D A FR 528578DA FR 528578 A FR528578 A FR 528578A
Authority
FR
France
Prior art keywords
speedometers
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
FR528578A
Other languages
French (fr)
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.)
J A COOMES AND CO Ltd
Original Assignee
J A COOMES AND CO Ltd
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 J A COOMES AND CO Ltd filed Critical J A COOMES AND CO Ltd
Application granted granted Critical
Publication of FR528578A publication Critical patent/FR528578A/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
    • G01P3/26—Devices characterised by the use of fluids
    • G01P3/34—Devices characterised by the use of fluids by using friction effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR528578A 1920-11-17 1920-12-14 Improvements to speedometers Expired FR528578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB528578X 1920-11-17

Publications (1)

Publication Number Publication Date
FR528578A true FR528578A (en) 1921-11-15

Family

ID=10465592

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528578A Expired FR528578A (en) 1920-11-17 1920-12-14 Improvements to speedometers

Country Status (1)

Country Link
FR (1) FR528578A (en)

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