Bell's sound amplification system
GPTKB entity
Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
musician
|
| https://www.w3.org/2000/01/rdf-schema#label |
Bell's sound amplification system
|
| gptkbp:improves |
electronic amplifiers
|
| gptkbp:influencedBy |
ear trumpet
|
| gptkbp:inventor |
gptkb:Alexander_Graham_Bell
|
| gptkbp:isIncorporatedIn |
public demonstration
|
| gptkbp:patentAbstract |
gptkb:United_States
|
| gptkbp:relatedTo |
telephone technology
|
| gptkbp:significance |
pioneering work in acoustics
|
| gptkbp:type |
acoustic device
|
| gptkbp:usedFor |
amplifying sound
|
| gptkbp:yearEstablished |
1880
|