DE234450C - - Google Patents
Info
- Publication number
- DE234450C DE234450C DENDAT234450D DE234450DA DE234450C DE 234450 C DE234450 C DE 234450C DE NDAT234450 D DENDAT234450 D DE NDAT234450D DE 234450D A DE234450D A DE 234450DA DE 234450 C DE234450 C DE 234450C
- Authority
- DE
- Germany
- Prior art keywords
- whistle
- plug
- cylinder
- air pump
- pipe
- 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
- 241000189705 Dunedin group Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K5/00—Whistles
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Safety Valves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE234450C true DE234450C (https=) |
Family
ID=494308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT234450D Active DE234450C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE234450C (https=) |
-
0
- DE DENDAT234450D patent/DE234450C/de active Active
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