DE138818C - - Google Patents
Info
- Publication number
- DE138818C DE138818C DENDAT138818D DE138818DA DE138818C DE 138818 C DE138818 C DE 138818C DE NDAT138818 D DENDAT138818 D DE NDAT138818D DE 138818D A DE138818D A DE 138818DA DE 138818 C DE138818 C DE 138818C
- Authority
- DE
- Germany
- Prior art keywords
- bellows
- chamber
- open
- valve
- keys
- 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
- 238000005192 partition Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims 1
- 239000012895 dilution Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 5
- 230000000881 depressing effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F5/00—Details or accessories
-
- 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)
- Reciprocating Pumps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE138818C true DE138818C (OSRAM) |
Family
ID=406595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT138818D Active DE138818C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE138818C (OSRAM) |
-
0
- DE DENDAT138818D patent/DE138818C/de active Active
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