DE272068C - - Google Patents
Info
- Publication number
- DE272068C DE272068C DENDAT272068D DE272068DA DE272068C DE 272068 C DE272068 C DE 272068C DE NDAT272068 D DENDAT272068 D DE NDAT272068D DE 272068D A DE272068D A DE 272068DA DE 272068 C DE272068 C DE 272068C
- Authority
- DE
- Germany
- Prior art keywords
- rotation
- tear
- axis
- rack
- ruler
- 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
- 210000001138 Tears Anatomy 0.000 claims description 29
- 210000001847 Jaw Anatomy 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000002441 reversible Effects 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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/14—Devices for drawing in perspective
- B43L13/141—Two-dimensional devices
Landscapes
- Drawing Aids And Blackboards (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE272068C true DE272068C (fr) |
Family
ID=528670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT272068D Active DE272068C (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE272068C (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4357757A (en) * | 1980-05-20 | 1982-11-09 | Wurtz Frank R | Perspective drawing machine |
| US4360975A (en) * | 1980-01-03 | 1982-11-30 | Wurtz Frank R | Perspective drawing machine |
-
0
- DE DENDAT272068D patent/DE272068C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360975A (en) * | 1980-01-03 | 1982-11-30 | Wurtz Frank R | Perspective drawing machine |
| US4357757A (en) * | 1980-05-20 | 1982-11-09 | Wurtz Frank R | Perspective drawing machine |
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