FR476654A - Tachymètre - Google Patents

Tachymètre

Info

Publication number
FR476654A
FR476654A FR476654DA FR476654A FR 476654 A FR476654 A FR 476654A FR 476654D A FR476654D A FR 476654DA FR 476654 A FR476654 A FR 476654A
Authority
FR
France
Prior art keywords
tachometer
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
English (en)
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.)
Waltham Watch Co
Original Assignee
Waltham Watch Co
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 Waltham Watch Co filed Critical Waltham Watch Co
Application granted granted Critical
Publication of FR476654A publication Critical patent/FR476654A/fr
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
    • G01P3/24—Devices characterised by the use of mechanical means by using friction effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR476654D 1913-12-05 1914-12-05 Tachymètre Expired FR476654A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US476654XA 1913-12-05 1913-12-05

Publications (1)

Publication Number Publication Date
FR476654A true FR476654A (fr) 1915-08-24

Family

ID=1514407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR476654D Expired FR476654A (fr) 1913-12-05 1914-12-05 Tachymètre

Country Status (1)

Country Link
FR (1) FR476654A (fr)

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