DE170598C - - Google Patents
Info
- Publication number
- DE170598C DE170598C DENDAT170598D DE170598DA DE170598C DE 170598 C DE170598 C DE 170598C DE NDAT170598 D DENDAT170598 D DE NDAT170598D DE 170598D A DE170598D A DE 170598DA DE 170598 C DE170598 C DE 170598C
- Authority
- DE
- Germany
- Prior art keywords
- ruler
- wheel
- circle
- compass
- rod
- 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
- 229920002160 Celluloid Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000829 suppository 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
- B43L11/08—Non-circular-curve-drawing instruments for drawing involutes
Landscapes
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE170598C true DE170598C (enrdf_load_stackoverflow) |
Family
ID=435629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT170598D Active DE170598C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE170598C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT170598D patent/DE170598C/de active Active
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