DE171923C - - Google Patents
Info
- Publication number
- DE171923C DE171923C DENDAT171923D DE171923DA DE171923C DE 171923 C DE171923 C DE 171923C DE NDAT171923 D DENDAT171923 D DE NDAT171923D DE 171923D A DE171923D A DE 171923DA DE 171923 C DE171923 C DE 171923C
- Authority
- DE
- Germany
- Prior art keywords
- gears
- mirror image
- toothed
- wedged
- axles
- 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
- 230000005540 biological transmission Effects 0.000 description 5
- 210000000936 intestine Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002787 reinforcement 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
- B43L13/10—Pantographic instruments for copying, enlarging, or diminishing
Landscapes
- Facsimile Scanning Arrangements (AREA)
- Optical Elements Other Than Lenses (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE171923C true DE171923C (https=) |
Family
ID=436856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT171923D Active DE171923C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE171923C (https=) |
-
0
- DE DENDAT171923D patent/DE171923C/de active Active
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