In a recent column, I wrote about a seldom-mentioned trackless trolley line that once ran in the Cajon Pass. Well, here is another relic that many railroad buffs may not know much about. During the turn of the 19th century, the Arrowhead Reservoir and Power Company was responsible for the arduous task of hauling hundreds of tons of cement and other construction materials for the building of a dam for the man-made lake in Little Bear Valley, known today as Lake Arrowhead. In an attempt to speed up the process, the company's engineers constructed a three-rail incline railway from Waterman Canyon to Skyland summit near Crestline to transport supplies.
... balanced freight cars were alternately hoisted up and lowered down the 4,170 foot, 45 degree incl... by "donkey engine" attached to the cars by cable. The up car and down car would pass each other at ...In 1907, a new 100 horsepower electric hoist and a heavier cable were pressed into servic...
... an untimely squib firing that would cut the hoist cable. A short circuit in the hoist motor brush po...Goodrich electric hoists resulting in the unintended cutting of a ca...
... operation passenger elevator or an electric or air-operated hoist not exceeding one ton capaci... on, or attached to, an endless belt, cable, chain or similar method of suspension; such belt,...
...This action requires modifying an electric hoist (hoist) junction box (junction box). This am... of the pilot to cut the rescue hoist cable in the event of cable entanglement or other emerge...
...2211. Electric power generation, transmission, and distribution. ...333923. Overhead traveling crane, hoist, and monorail system manufacturing. 333924. Indust...Radio and television broadcasting. 5152. Cable and other subscription programming. 5171. Wired te...
... as the provisions specified for personnel hoists by paragraphs (c)(1) through (c)(4), (c)(8), (c)(1...Two guide cables, suspended from the cathead, eliminate swaying and...(c)(8)--Electrically interlocking entrance doors or gates that prevent ...
...(a) General. Each hoist must have a rigid ladder or a lift platform on whi... hoist must be designed to operate on electric, pneumatic, or hydraulic power or a combination of... a pneumatic motor that stalls at the end of cable travel without jarring, jerking, or damaging the h...
... of platforms, building components, hoisting and supporting equipment; stability factors for ca... systems; and design criteria for electrical wiring and equipment. (2) Building owners shall ba...Cable means a conductor, or group of conductors, enclose...
... . . . 221112 . Fossil Fuel Electric Power Generation . See footnote 1 . . . . 221... . . 333923 . Overhead Traveling Crane, Hoist and Monorail System Manufacturing . . 500 . . ... . 1,000 . . . 335921 . Fiber Optic Cable Manufacturing . . 1,000 . . . 335929 . Other...
... and moving it horizontally, with the hoisting mechanism an integral part of the machine. Cranes ... a crane whose mechanism is driven by electric, air, hydraulic, or internal combustion means. (10...(iv) Where multiple conductor cable is used with a suspended pushbutton station, the s...
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