CH54866A - Ellipsen- und Kreiszirkel - Google Patents

Ellipsen- und Kreiszirkel

Info

Publication number
CH54866A
CH54866A CH54866A CH54866DA CH54866A CH 54866 A CH54866 A CH 54866A CH 54866 A CH54866 A CH 54866A CH 54866D A CH54866D A CH 54866DA CH 54866 A CH54866 A CH 54866A
Authority
CH
Switzerland
Prior art keywords
ellipses
circles
Prior art date
Application number
CH54866A
Other languages
English (en)
Inventor
Ignaz Gufler
Original Assignee
Ignaz Gufler
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 Ignaz Gufler filed Critical Ignaz Gufler
Publication of CH54866A publication Critical patent/CH54866A/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
CH54866A 1912-01-27 1912-01-27 Ellipsen- und Kreiszirkel CH54866A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH54866T 1912-01-27

Publications (1)

Publication Number Publication Date
CH54866A true CH54866A (de) 1912-07-01

Family

ID=4294386

Family Applications (1)

Application Number Title Priority Date Filing Date
CH54866A CH54866A (de) 1912-01-27 1912-01-27 Ellipsen- und Kreiszirkel

Country Status (1)

Country Link
CH (1) CH54866A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529130A (en) * 1947-06-25 1950-11-07 Blampied Philip Instrument for drawing noncircular curves
US2707831A (en) * 1951-12-18 1955-05-10 Lawrence B Rial Ellipse-drawing compass
US3137945A (en) * 1963-02-18 1964-06-23 Silva Fernando Dias Da Ellipsograph

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2529130A (en) * 1947-06-25 1950-11-07 Blampied Philip Instrument for drawing noncircular curves
US2707831A (en) * 1951-12-18 1955-05-10 Lawrence B Rial Ellipse-drawing compass
US3137945A (en) * 1963-02-18 1964-06-23 Silva Fernando Dias Da Ellipsograph

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