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A three-lever ground frame at Kyle of Lochalsh, released by Annett's key The lever frame is located in the signal box, which can be a building at ground level or a tower, separated from or connected to an existing station building.
This immobilises the signal frame levers, and the key can be used to unlock a smaller mechanical ground frame to the north-east of the station. This key lockout system is rare. The ground frame at Charters Towers, north-east of the station, has two levers on a small metal platform, and is used to control access to a siding. [1]
The lever and its accompanying hardware is usually mounted to a pair of long ties (sleepers) that extend from the switch at the points. They are often used in a place of a switch motor on less frequently used switches. In some places, the lever may be some distance from the points, as part of a lever frame or ground frame. To prevent the ...
Down Main Lines and Chester side of the frame. Crewe North Junction signal box is signal box with a Westinghouse All Electric Style 'L' lever frame which was commissioned, along with Crewe South Junction signal box (which also had a Westinghouse Style 'L' frame), on 29 March 1940 as part of a resignalling project at Crewe railway station.
The lever frame is a series of levers contained and interlocked in a frame. At Ledbury this frame is designed for 41 levers numbered 1 to 41. However, in 1948, following a modification to the track design at Ledbury station, an additional signal lever was added onto the outside of the left (west) end of the frame and, being next to and below ...
Lever frame#Ground frames To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .
The old signal box in use as the Westward Ho! bus station snack bar. Westward Ho! had two platforms of 320 feet length and one foot above rail level, [4] platform lighting, a passing loop of 8 chains allowing three coach trains to pass, [4] a ticket office with waiting rooms and toilet, an 8-lever signal box and a 2-lever ground frame; a waiting room, refreshment room, bookstall, level ...
The track layout consists of a simple "run-round" loop (designed to allow the locomotive to run around and couple up to the carriages for the return journey) with a pair of points controlled by a "single throw" lever at the northern end, and a pair controlled by a two-lever ground frame locked by a key on the train staff at the southern end.