CH70452A - Ellipsenzirkel - Google Patents

Ellipsenzirkel

Info

Publication number
CH70452A
CH70452A CH70452A CH70452DA CH70452A CH 70452 A CH70452 A CH 70452A CH 70452 A CH70452 A CH 70452A CH 70452D A CH70452D A CH 70452DA CH 70452 A CH70452 A CH 70452A
Authority
CH
Switzerland
Prior art keywords
elliptical compass
compass
elliptical
Prior art date
Application number
CH70452A
Other languages
English (en)
Inventor
Heinrich Meyer
Original Assignee
Heinrich Meyer
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 by Heinrich Meyer filed Critical Heinrich Meyer
Publication of CH70452A publication Critical patent/CH70452A/de

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
CH70452A 1915-01-24 1915-01-24 Ellipsenzirkel CH70452A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH70452T 1915-01-24

Publications (1)

Publication Number Publication Date
CH70452A true CH70452A (de) 1915-09-16

Family

ID=4319059

Family Applications (1)

Application Number Title Priority Date Filing Date
CH70452A CH70452A (de) 1915-01-24 1915-01-24 Ellipsenzirkel

Country Status (1)

Country Link
CH (1) CH70452A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670540A (en) * 1952-12-29 1954-03-02 Arthur E Randles Ellipsograph
US2762126A (en) * 1955-05-09 1956-09-11 John B Shaw Ellipse drafting instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670540A (en) * 1952-12-29 1954-03-02 Arthur E Randles Ellipsograph
US2762126A (en) * 1955-05-09 1956-09-11 John B Shaw Ellipse drafting instrument

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