Seismometer GeoSpace Geo-Space Seismology Earthquake Item number: 7617763900 Model HS-????/3D Apparently a 3 axis sensor, maybe of HS-10 type? BobSeismometer GeoSpace Geo-Space Seismology EarthquakeItem number: 7617763900
Model HS-????/3DApparently a 3 axis sensor, maybe of HS-10 type?Bob