FR997909A - Instrument de traçage formant règle, équerre et rapporteur - Google Patents

Instrument de traçage formant règle, équerre et rapporteur

Info

Publication number
FR997909A
FR997909A FR997909DA FR997909A FR 997909 A FR997909 A FR 997909A FR 997909D A FR997909D A FR 997909DA FR 997909 A FR997909 A FR 997909A
Authority
FR
France
Prior art keywords
protractor
ruler
set square
tracing instrument
instrument forming
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
Lucien Cheval
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 FR997909A publication Critical patent/FR997909A/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
    • B43L7/00—Straightedges
    • 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
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR997909D 1945-09-03 1945-09-03 Instrument de traçage formant règle, équerre et rapporteur Expired FR997909A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997909T 1945-09-03

Publications (1)

Publication Number Publication Date
FR997909A true FR997909A (fr) 1952-01-11

Family

ID=9559005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997909D Expired FR997909A (fr) 1945-09-03 1945-09-03 Instrument de traçage formant règle, équerre et rapporteur

Country Status (1)

Country Link
FR (1) FR997909A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734992A (en) * 1985-11-20 1988-04-05 Scott Alastair G Drawing instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734992A (en) * 1985-11-20 1988-04-05 Scott Alastair G Drawing instrument

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