FR844967A - Compas tachymétrique - Google Patents

Compas tachymétrique

Info

Publication number
FR844967A
FR844967A FR844967DA FR844967A FR 844967 A FR844967 A FR 844967A FR 844967D A FR844967D A FR 844967DA FR 844967 A FR844967 A FR 844967A
Authority
FR
France
Prior art keywords
tachometer
compass
tachometer compass
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)
Inventor
Giovanni Moiola
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 FR844967A publication Critical patent/FR844967A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00—Circular curve-drawing or like instruments
    • B43L9/08—Proportional compasses or dividers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
FR844967D 1937-11-24 1938-10-20 Compas tachymétrique Expired FR844967A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2236949X 1937-11-24

Publications (1)

Publication Number Publication Date
FR844967A true FR844967A (fr) 1939-08-07

Family

ID=11435300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR844967D Expired FR844967A (fr) 1937-11-24 1938-10-20 Compas tachymétrique

Country Status (2)

Country Link
US (1) US2236949A (fr)
FR (1) FR844967A (fr)

Also Published As

Publication number Publication date
US2236949A (en) 1941-04-01

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