gth of (eit pr the springings of massive arches. Vibrations of Tall Buildings. three-eighths inch. In the Pontiac building the same A concert hall forms a part of‘the main buildings. During the recent storm in Chicago, when the ve- plumb-bob hung in the freight elevator shaft from the This is an… … nese bazar, a cap- tive balloon, an ing of more recent Ue construction, is a:steel framework, with light walls. It locity of the wind as observed at the. Urtited States Indian village, and so forth, but the chief. of these may be noticed that the greatest vibration of the south outdoor attractions…
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