A historic three-component portable seismograph based on the Quervain-Piccard system and manufactured by Trub, Tauber & Co., 1918-20. Photographed at


A historic three-component portable seismograph based on the Quervain-Piccard system and manufactured by Trub, Tauber & Co., 1918-20. Photographed at Focus Terra, the Earth Science Research and Information Centre of ETH, the Swiss Federal Institute of Technology, Zurich.


Size: 3379px × 5172px
Photo credit: © MARK WILLIAMSON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: detector, earthquake, eth, geological, geology, historic, history, instrument, needle, needles, piccard, portable, quake, quervain, record, recording, seismograph, seismology, seismometer, switzerland, zurich