DE286654C - - Google Patents
Info
- Publication number
- DE286654C DE286654C DENDAT286654D DE286654DA DE286654C DE 286654 C DE286654 C DE 286654C DE NDAT286654 D DENDAT286654 D DE NDAT286654D DE 286654D A DE286654D A DE 286654DA DE 286654 C DE286654 C DE 286654C
- Authority
- DE
- Germany
- Prior art keywords
- axis
- compass
- guide piece
- compasses
- central axis
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE286654C true DE286654C (cs) |
Family
ID=541960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT286654D Active DE286654C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE286654C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2669022A (en) * | 1949-06-25 | 1954-02-16 | Thomas S Sajatovich | Conicgraph |
-
0
- DE DENDAT286654D patent/DE286654C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2669022A (en) * | 1949-06-25 | 1954-02-16 | Thomas S Sajatovich | Conicgraph |
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