Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific instrument
|
| gptkbp:adjustableFrequency |
true
|
| gptkbp:alsoKnownAs |
dog whistle
|
| gptkbp:category |
acoustic device
|
| gptkbp:frequency |
above 20 kHz
|
| https://www.w3.org/2000/01/rdf-schema#label |
Galton whistle
|
| gptkbp:introducedIn |
1876
|
| gptkbp:inventedBy |
gptkb:Francis_Galton
|
| gptkbp:material |
metal
|
| gptkbp:namedAfter |
gptkb:Francis_Galton
|
| gptkbp:relatedTo |
ultrasound
animal training |
| gptkbp:usedFor |
producing ultrasonic sounds
testing upper limits of human hearing training animals |
| gptkbp:bfsParent |
gptkb:Sir_Francis_Galton
|
| gptkbp:bfsLayer |
6
|