EOST Jardin des Sciences
Université de Strasbourg
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11 - Willmore



Made in 1950 in the United Kingdom.

  • electromagnetic seismometer for field acquisitions
  • the coil is fixed whereas the magnetic field is used as a mobil mass
    periode 1s
  • used as horizontal or vertical seismometer
  • amplificated by potentiometric bridges
  • optical recording by means of a galvanometer.

It has been used in France for dams monitoring and especially during big seismic profile acquisitions from the 1960s.


Willmore du dessus