FR982629A - New compass to draw ellipses - Google Patents

New compass to draw ellipses

Info

Publication number
FR982629A
FR982629A FR982629DA FR982629A FR 982629 A FR982629 A FR 982629A FR 982629D A FR982629D A FR 982629DA FR 982629 A FR982629 A FR 982629A
Authority
FR
France
Prior art keywords
new compass
draw ellipses
ellipses
draw
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
French (fr)
Inventor
Bernhard Patina
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 FR982629A publication Critical patent/FR982629A/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
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/041—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses by means of a compass
FR982629D 1949-01-19 1949-01-19 New compass to draw ellipses Expired FR982629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR982629T 1949-01-19

Publications (1)

Publication Number Publication Date
FR982629A true FR982629A (en) 1951-06-13

Family

ID=9535522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982629D Expired FR982629A (en) 1949-01-19 1949-01-19 New compass to draw ellipses

Country Status (1)

Country Link
FR (1) FR982629A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725634A (en) * 1953-03-02 1955-12-06 Oscar B Hopper Guide for cutters or markers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725634A (en) * 1953-03-02 1955-12-06 Oscar B Hopper Guide for cutters or markers

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