CH178253A - Apparatus for plotting ellipses. - Google Patents
Apparatus for plotting ellipses.Info
- Publication number
- CH178253A CH178253A CH178253DA CH178253A CH 178253 A CH178253 A CH 178253A CH 178253D A CH178253D A CH 178253DA CH 178253 A CH178253 A CH 178253A
- Authority
- CH
- Switzerland
- Prior art keywords
- ellipses
- plotting
- plotting ellipses
- 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
- B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH178253T | 1934-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH178253A true CH178253A (en) | 1935-07-15 |
Family
ID=4428377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH178253D CH178253A (en) | 1934-10-20 | 1934-10-20 | Apparatus for plotting ellipses. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH178253A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3032893A (en) * | 1961-02-07 | 1962-05-08 | Debeh Ali | Educational toy |
CN105034654A (en) * | 2015-07-11 | 2015-11-11 | 陈有添 | Elliptic trammels |
-
1934
- 1934-10-20 CH CH178253D patent/CH178253A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3032893A (en) * | 1961-02-07 | 1962-05-08 | Debeh Ali | Educational toy |
CN105034654A (en) * | 2015-07-11 | 2015-11-11 | 陈有添 | Elliptic trammels |
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