Abstract
THE principal object of a seismic survey of the world is to measure the velocity with which earthquake motion is propagated through its crust, and possibly through its interior, and from the resulting figures to give to astronomers and physicists additional data respecting its effective rigidity.
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M., J. A Seismic Survey of the World. Nature 54, 234–235 (1896). https://doi.org/10.1038/054234a0
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DOI: https://doi.org/10.1038/054234a0