DE181606C - - Google Patents
Info
- Publication number
- DE181606C DE181606C DENDAT181606D DE181606DA DE181606C DE 181606 C DE181606 C DE 181606C DE NDAT181606 D DENDAT181606 D DE NDAT181606D DE 181606D A DE181606D A DE 181606DA DE 181606 C DE181606 C DE 181606C
- Authority
- DE
- Germany
- Prior art keywords
- circles
- ruler
- sleeve
- ball
- tip
- 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
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000012858 resilient material Substances 0.000 claims 1
- 235000015250 liver sausages Nutrition 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
- B43L9/00—Circular curve-drawing or like instruments
Landscapes
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE181606C true DE181606C (Direct) |
Family
ID=445773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT181606D Active DE181606C (Direct) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE181606C (Direct) |
-
0
- DE DENDAT181606D patent/DE181606C/de active Active
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