DE240274C - - Google Patents
Info
- Publication number
- DE240274C DE240274C DENDAT240274D DE240274DA DE240274C DE 240274 C DE240274 C DE 240274C DE NDAT240274 D DENDAT240274 D DE NDAT240274D DE 240274D A DE240274D A DE 240274DA DE 240274 C DE240274 C DE 240274C
- Authority
- DE
- Germany
- Prior art keywords
- celluloid
- key
- plate
- ring
- rings
- 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 claims description 23
- 239000002184 metal Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 235000021419 vinegar Nutrition 0.000 description 6
- 239000000052 vinegar Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 241000295146 Gallionellaceae Species 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/12—Construction of key buttons
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE240274C true DE240274C (https=) |
Family
ID=499650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT240274D Active DE240274C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE240274C (https=) |
-
0
- DE DENDAT240274D patent/DE240274C/de active Active
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