FR831998A - Tachometer improvements - Google Patents

Tachometer improvements

Info

Publication number
FR831998A
FR831998A FR831998DA FR831998A FR 831998 A FR831998 A FR 831998A FR 831998D A FR831998D A FR 831998DA FR 831998 A FR831998 A FR 831998A
Authority
FR
France
Prior art keywords
tachometer
tachometer improvements
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
Paul Kollsman
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 FR831998A publication Critical patent/FR831998A/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
    • G01P1/00—Details of instruments
    • G01P1/04—Special adaptations of driving means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR831998D 1937-01-28 1938-01-12 Tachometer improvements Expired FR831998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US831998XA 1937-01-28 1937-01-28

Publications (1)

Publication Number Publication Date
FR831998A true FR831998A (en) 1938-09-16

Family

ID=22176815

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831998D Expired FR831998A (en) 1937-01-28 1938-01-12 Tachometer improvements

Country Status (1)

Country Link
FR (1) FR831998A (en)

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