FR429927A - Improvements to tachometers - Google Patents

Improvements to tachometers

Info

Publication number
FR429927A
FR429927A FR429927DA FR429927A FR 429927 A FR429927 A FR 429927A FR 429927D A FR429927D A FR 429927DA FR 429927 A FR429927 A FR 429927A
Authority
FR
France
Prior art keywords
tachometers
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
Robert-Bertin-Auguste Lemaignen
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.)
ROBERT BERTIN AUGUSTE LEMAIGNE
Original Assignee
ROBERT BERTIN AUGUSTE LEMAIGNE
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 ROBERT BERTIN AUGUSTE LEMAIGNE filed Critical ROBERT BERTIN AUGUSTE LEMAIGNE
Application granted granted Critical
Publication of FR429927A publication Critical patent/FR429927A/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
    • G01P3/10—Devices characterised by the use of mechanical means by actuating an indicating element, e.g. pointer, for a fixed time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR429927D 1911-05-18 1911-05-18 Improvements to tachometers Expired FR429927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR429927T 1911-05-18

Publications (1)

Publication Number Publication Date
FR429927A true FR429927A (en) 1911-10-04

Family

ID=1472219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR429927D Expired FR429927A (en) 1911-05-18 1911-05-18 Improvements to tachometers

Country Status (1)

Country Link
FR (1) FR429927A (en)

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