FR543374A - Compas à ellipse en forme de compas à coulisse - Google Patents

Compas à ellipse en forme de compas à coulisse

Info

Publication number
FR543374A
FR543374A FR543374DA FR543374A FR 543374 A FR543374 A FR 543374A FR 543374D A FR543374D A FR 543374DA FR 543374 A FR543374 A FR 543374A
Authority
FR
France
Prior art keywords
caliper
shaped elliptical
elliptical compass
compass
shaped
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
Johannes Sobawa
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 FR543374A publication Critical patent/FR543374A/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
    • 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
    • B43L11/045—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with cords or like flexible elements
FR543374D 1921-10-05 1921-10-25 Compas à ellipse en forme de compas à coulisse Expired FR543374A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE354253T 1921-10-05
FR543374T 1921-10-25
GB5900/22A GB191645A (en) 1921-10-05 1922-02-28 An improved ellipsograph

Publications (1)

Publication Number Publication Date
FR543374A true FR543374A (fr) 1922-09-01

Family

ID=9804722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543374D Expired FR543374A (fr) 1921-10-05 1921-10-25 Compas à ellipse en forme de compas à coulisse

Country Status (3)

Country Link
DE (1) DE354253C (fr)
FR (1) FR543374A (fr)
GB (1) GB191645A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654952A (en) * 1951-03-01 1953-10-13 Philip O Solon Ellipsograph
US3224098A (en) * 1964-09-08 1965-12-21 Joseph D Terrell Ellipse scriber

Also Published As

Publication number Publication date
DE354253C (de) 1922-06-06
GB191645A (en) 1923-01-18

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