San Francisco : Architect and Engineer, Inc · leaf 528
d between two endlesschains which pass over sprocket wheels atthe top and the bottom of travel; the chainsare driven by two electric motors, and, bymeans of a push-button control (or itsequivalent), any cradle can be broughtquickly to the driveway level for receivingor discharging an automobile.… … HAND OPERATED MODEL OF PARKING MACHINE SHOWING CONSTRUCTION DETAILS THE ARCHITECT AND ENGINEER AUGUST,1931 71 First, there is the key system—the oneused at the Company parking garage at ourEast Pittsburgh Works, and the one bestsuited for garages where the spaces arerented for a fixed time—say for…
Architecture · Building
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