FR539708A - Improvements to chronographs - Google Patents

Improvements to chronographs

Info

Publication number
FR539708A
FR539708A FR539708DA FR539708A FR 539708 A FR539708 A FR 539708A FR 539708D A FR539708D A FR 539708DA FR 539708 A FR539708 A FR 539708A
Authority
FR
France
Prior art keywords
chronographs
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
Abel-Louis Doignon
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 FR539708A publication Critical patent/FR539708A/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
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR539708D 1921-08-25 1921-08-25 Improvements to chronographs Expired FR539708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR539708T 1921-08-25

Publications (1)

Publication Number Publication Date
FR539708A true FR539708A (en) 1922-06-30

Family

ID=8929018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539708D Expired FR539708A (en) 1921-08-25 1921-08-25 Improvements to chronographs

Country Status (1)

Country Link
FR (1) FR539708A (en)

Similar Documents

Publication Publication Date Title
FR540819A (en) Improvements to radio-receivers
FR24721E (en) Improvements to radio-receivers
FR535770A (en) Improvements to removable constructions
FR25476E (en) Improvements to turbo-machines
FR535871A (en) Improvements to lubricators
FR540973A (en) Addition to saxophones
FR560571A (en) Improvements to gasifiers
FR539708A (en) Improvements to chronographs
FR27158E (en) Improvements to radio-receivers
FR559341A (en) Improvements to seleno-radio-dosimeter
FR523592A (en) Improvements to totalizers
FR27863E (en) Improvements to radio-receivers
FR547254A (en) Improvements to unblockers
FR559620A (en) Improvements to lapidaries
FR541145A (en) Improvements to
FR539358A (en) Improvements to aeromotors
FR535855A (en) Improvements to jointer-planers
FR25949E (en) Improvements to radio-receivers
FR25944E (en) Improvements to radio-receivers
FR533155A (en) Improvements to dynamometers
FR541452A (en) Improvements to levels
FR556799A (en) Improvements to phonographs
FR534546A (en) Improvements to phonographs
FR25731E (en) Improvements to phonographs
FR538543A (en) Improvements to gasifiers