Seis'mo-grāph, n.
[From Gr. σεισμός, earthquake, and γράφειν, to describe.] An electro-magnetic apparatus for registering the shocks and undulatory motions of an earthquake. Sir D. Brewster.
[From Gr. σεισμός, earthquake, and γράφειν, to describe.] An electro-magnetic apparatus for registering the shocks and undulatory motions of an earthquake. Sir D. Brewster.