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At the Tangshan Earthquake Museum, a replica of what is believed to be the world’s first seismoscope stands in stark contrast to haunting images of rubble.

Associated words: seismology, seismic, seismography, seismometry, seismal, seismometer, seismograph, seismogram, seismoscope, microseism, microseismic, meizoseismal, coscismal, anaseismic, isoseismic. earthwork, n. fortification, embankment. earthworm, n. angleworm, dewworm, lumbric, lumbricus. earthy, a. terrestrial, terrene, earthly; gross, carnal, groveling, low. ear-trumpet, n. sonifer, otophone, auricle. earwax, n. cerumen. ease, n. facility, easiness; repose, quiescence, comfort, tranquillity, contentment, peace, serenity; unrestraint, informality, abandon.

First is the seismoscope, which will merely detect and record the fact that there has been such a tremor.