DE228462C - - Google Patents
Info
- Publication number
- DE228462C DE228462C DENDAT228462D DE228462DA DE228462C DE 228462 C DE228462 C DE 228462C DE NDAT228462 D DENDAT228462 D DE NDAT228462D DE 228462D A DE228462D A DE 228462DA DE 228462 C DE228462 C DE 228462C
- Authority
- DE
- Germany
- Prior art keywords
- bellows
- channel
- chamber
- air
- valve
- 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
- 210000000038 chest Anatomy 0.000 claims description 12
- 230000001105 regulatory Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 230000001944 accentuation Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 description 2
- 241000189705 Dunedin group Species 0.000 description 1
- 230000001447 compensatory Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Air-Flow Control Members (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE228462C true DE228462C (fi) |
Family
ID=488856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT228462D Active DE228462C (fi) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE228462C (fi) |
-
0
- DE DENDAT228462D patent/DE228462C/de active Active
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