CH54866A - Ellipsen- und Kreiszirkel - Google Patents
Ellipsen- und KreiszirkelInfo
- 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
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
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)
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 |
-
1912
- 1912-01-27 CH CH54866A patent/CH54866A/de unknown
Cited By (3)
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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