Multiple choice

Who invented seismograph?

  1. Hippalus

  2. Roberts Mallet

  3. Elias Howe

  4. Carothers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Roberts Mallet, an Irish engineer, is considered one of the founders of seismology and invented an early form of seismograph in the 1840s-1850s. His work on earthquake dynamics and artificial earthquakes helped establish seismology as a scientific discipline. The other options are associated with different fields - Howe with sewing machines, Carothers with nylon.

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