San Francisco : Architect and Engineer, Inc · leaf 444
modern elevators are extremely rare. The question hasoften been asked:Why are elevatorparts built with fac-tors of safety of 10or 12, while manyparts of automo-biles and railwayequip m e n t h a \ esafety factors ofonly 4 or 5? Theanswer is obvious:People are afraidof elevators. Therefore,… … prevented, regardless of whether or not itresults in a dangerous condition. It is not within the realm of this articleto describe in detail any of the mechanicalparts of an elevator. It is of interest to note,however, that most passenger cars have sixhoisting cables, any one of which wouldsafely…
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
