Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:earthquake
|
| gptkbp:component |
recording device
torsion wire suspended mass |
| gptkbp:detects |
earthquakes
|
| gptkbp:developedBy |
early 20th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
torsion seismograph
|
| gptkbp:inventedBy |
gptkb:Boris_Borisovich_Galitzin
|
| gptkbp:principle |
torsion of a wire or spring
|
| gptkbp:recordedAt |
ground motion
|
| gptkbp:type |
horizontal seismograph
|
| gptkbp:usedFor |
measuring seismic waves
|
| gptkbp:bfsParent |
gptkb:Wood-Anderson_seismograph
|
| gptkbp:bfsLayer |
7
|