San Francisco : Architect and Engineer, Inc · leaf 279
t was down, the cylin-ders were hollowed out; when replaced, theywere fitted over a core of reinforced concrete.At the base of the monument, the core be-comes a supporting column uniformly 3 ft. indiameter all the way down through the build-ing. (Other columns are 22 in. in diameter atthe top, 30… … DETAIL OF SIGNAL SYSTEM There ore 15 loud speaker telephones Installed by Frank I. DuFrane Co., Inc.
Architecture · Building
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