FR903806A - Polygonal protractor - Google Patents

Polygonal protractor

Info

Publication number
FR903806A
FR903806A FR903806DA FR903806A FR 903806 A FR903806 A FR 903806A FR 903806D A FR903806D A FR 903806DA FR 903806 A FR903806 A FR 903806A
Authority
FR
France
Prior art keywords
protractor
polygonal
polygonal 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
French (fr)
Inventor
Emile-Jean-Antoine Pabion
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 FR903806A publication Critical patent/FR903806A/en
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
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/001—Mathematical drawing instruments
FR903806D 1944-04-27 1944-04-27 Polygonal protractor Expired FR903806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR903806T 1944-04-27

Publications (1)

Publication Number Publication Date
FR903806A true FR903806A (en) 1945-10-18

Family

ID=9404807

Family Applications (1)

Application Number Title Priority Date Filing Date
FR903806D Expired FR903806A (en) 1944-04-27 1944-04-27 Polygonal protractor

Country Status (1)

Country Link
FR (1) FR903806A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534853A1 (en) * 1982-10-21 1984-04-27 Cabos Jean Drawing rule replacing set-squares and used for the tracing of polygons and drawings in perspective.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534853A1 (en) * 1982-10-21 1984-04-27 Cabos Jean Drawing rule replacing set-squares and used for the tracing of polygons and drawings in perspective.

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