San Francisco : Architect and Engineer, Inc · leaf 62
OVERHANGING monorail crane hoisting submarine periscope to sixth floorOptical Shop for calibration and repairs. (Note electric driven bosnschairs in use by window washers. shop crane unit on the north which is 15! x 227ft. divided into two 75 foot bays. The south bayrises 42 feet to the bottom of…
Architecture · Building
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