Word: soundingly
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Dates: during 1930-1939
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...talking automobile horn, carrying any desired admonition on a sound disk...
...With portable seismographs, we will go down the 6000 foot hole and fire explosives at different levels along the descent. Then by making a series of observations at the surface of the giant hole we shall record the velocity of the sound in the layers which it penetrated. Finally we shall compare these velocities with those computed from ordinary surface measurements...
...second place he will record explosion waves on the surface of the ground and compute from them the depths of the different rock layers and the velocity of sound in the rock layers...
...sound motion picture of the "Building of the Golden Gate Bridge" was shown last night at the New Lecture Hall at 7:30 o'clock...
...Over The Lindbergh Route," a sound picture showing the geographical aspects of the regions along the Pan-American Airways, will be presented tomorrow afternoon at 2 o'clock in the Geographical Institute...