FR416345A - Rapporteur-équerre perfectionné - Google Patents

Rapporteur-équerre perfectionné

Info

Publication number
FR416345A
FR416345A FR416345DA FR416345A FR 416345 A FR416345 A FR 416345A FR 416345D A FR416345D A FR 416345DA FR 416345 A FR416345 A FR 416345A
Authority
FR
France
Prior art keywords
protractor
advanced
advanced protractor
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
Arthur Friebel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR416345A publication Critical patent/FR416345A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C1/00—Measuring angles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR416345D 1910-05-24 1910-05-24 Rapporteur-équerre perfectionné Expired FR416345A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR416345T 1910-05-24

Publications (1)

Publication Number Publication Date
FR416345A true FR416345A (fr) 1910-10-17

Family

ID=1459852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416345D Expired FR416345A (fr) 1910-05-24 1910-05-24 Rapporteur-équerre perfectionné

Country Status (1)

Country Link
FR (1) FR416345A (fr)

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