December 1, 1938
1 min read
The Earth's Pulse
How the Scientist Goes About the Interpretation of the Wavy Lines—Signatures of Earthquakes—Recorded on the Moving Drum of the Seismograph
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December 1, 1938
1 min read
The Earth's Pulse
How the Scientist Goes About the Interpretation of the Wavy Lines—Signatures of Earthquakes—Recorded on the Moving Drum of the Seismograph