Seismological stations; Earthquakes; University of Santa Clara; Weber, John A.
Rev. John A. Weber, SJ., Director of the Ricard Observatory with Galitzes East-West Component Seismograph in background and North-South Recorder in foreground.
Rev. John A. Weber, SJ., Director of the Ricard Observatory with Galitzes East-West Component Seismograph in background and North-South Recorder in foreground.
