Marvin White wearing an indicator.[1]

An indicator is a small compass that leads a person towards a tremor. Marvin White was given an indicator by Director Wimple of the United States Seismological Bureau so that he would be lead to the source of a tremor that they were almost certain would be running east on Second Avenue, unless it was a false alarm, as many of the previous readings had been.[2]


Super Friends (TV Series)


  1. As seen in the Season 1 episode The Ultra Beam (1973).
  2. As seen in The Ultra Beam.

External Links

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