FR658082A - Compas à ellipse - Google Patents
Compas à ellipseInfo
- Publication number
- FR658082A FR658082A FR658082DA FR658082A FR 658082 A FR658082 A FR 658082A FR 658082D A FR658082D A FR 658082DA FR 658082 A FR658082 A FR 658082A
- Authority
- FR
- France
- Prior art keywords
- ellipse compass
- compass
- ellipse
- 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
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)
- Food-Manufacturing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR658082T | 1928-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR658082A true FR658082A (fr) | 1929-05-30 |
Family
ID=9008856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR658082D Expired FR658082A (fr) | 1928-07-26 | 1928-07-26 | Compas à ellipse |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE353058A (fr) |
FR (1) | FR658082A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4244106A (en) * | 1979-05-29 | 1981-01-13 | Pierce Donald C | Device for describing an ellipse |
-
0
- BE BE353058D patent/BE353058A/fr unknown
-
1928
- 1928-07-26 FR FR658082D patent/FR658082A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4244106A (en) * | 1979-05-29 | 1981-01-13 | Pierce Donald C | Device for describing an ellipse |
Also Published As
Publication number | Publication date |
---|---|
BE353058A (fr) |
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