Seismograph[1]

A seismograph is a machine designed to measure tremors.

The United States Seismological Bureau had an electromagnetic-type seismograph called a getigraph. It was located in their building, and watched over by Director Wimple.[2]

References

  1. As seen in The Ultra Beam.
  2. As seen in The Ultra Beam.

External Links

Community content is available under CC-BY-SA unless otherwise noted.