Lever frame

（重定向自Ground frame）

Signal cabin of the CIÉ (Coras Iompair Éireann), Ireland, 1963.

A three-lever ground frame at Kyle of Lochalsh, released by Annett's key

Everglades Junction signal box with its Westinghouse Brake & Signal Co. Ltd. Style 'L' Power Lever Frame

Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals and points to allow the safe operation of trains in the area the signals control. Located in the signal box, the levers are operated by the signalman.

单词	Ground frame
释义	Ground frame 原声例句越狱第1季 On the grounds that my client's been framed. 因为我的当事人是被陷害的。英语百科 Lever frame （重定向自Ground frame） Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals and points to allow the safe operation of trains in the area the signals control. Located in the signal box, the levers are operated by the signalman.
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