FR597111A - Apparatus for tracing ellipses - Google Patents

Apparatus for tracing ellipses

Info

Publication number
FR597111A
FR597111A FR597111DA FR597111A FR 597111 A FR597111 A FR 597111A FR 597111D A FR597111D A FR 597111DA FR 597111 A FR597111 A FR 597111A
Authority
FR
France
Prior art keywords
ellipses
tracing
tracing ellipses
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
Theophile-Ludovic-Ga Steibel
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 FR597111A publication Critical patent/FR597111A/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
FR597111D 1924-07-31 1924-07-31 Apparatus for tracing ellipses Expired FR597111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR597111T 1924-07-31

Publications (1)

Publication Number Publication Date
FR597111A true FR597111A (en) 1925-11-13

Family

ID=8968043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597111D Expired FR597111A (en) 1924-07-31 1924-07-31 Apparatus for tracing ellipses

Country Status (1)

Country Link
FR (1) FR597111A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468017A (en) * 1946-12-27 1949-04-26 Richard W Aichroth Ellipsograph
US3469319A (en) * 1968-05-07 1969-09-30 Hooshang Iravani Ellipse circle drawing instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468017A (en) * 1946-12-27 1949-04-26 Richard W Aichroth Ellipsograph
US3469319A (en) * 1968-05-07 1969-09-30 Hooshang Iravani Ellipse circle drawing instrument

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