San Francisco, Calif. : Architect and Engineer Co · leaf 513
columns are built of concrete and contain, usually, for reinforcement,f<uir one-half inch round bars. In the wrecked portion, the basement columnsare twenty-one inches square, while those of the first story are approximatelyround as shown in Figure three, being about twenty-six inches at the… … ^1 0) I ^ ^^ ^
Architecture · Building
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