The seismograph, recording the unfelt motion of distant earthquakes, enables us to see up to a certain point into the Earth and determine its nature with as great a certainty, as if we could drive a tunnel through it and take samples of the matter passed through.


Geological Society, The Constitution of the Interior of the Earth as, Revealed by Earthquakes, Quarterly Journal, Volume 62, August 1906 (p. 456)

Richard Dixon Oldham Quotes

The seismograph, recording the unfelt motion of distant earthquakes, enables us to see up to a certain point into the Earth and determine its nature...

The seismograph, recording the unfelt motion of distant earthquakes, enables us to see up to a certain point into the Earth and determine its nature...

The seismograph, recording the unfelt motion of distant earthquakes, enables us to see up to a certain point into the Earth and determine its nature...

The seismograph, recording the unfelt motion of distant earthquakes, enables us to see up to a certain point into the Earth and determine its nature...