locking frame 예문
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- The remained signal boxes use 5-bar tappet locking frames dating from the 1930s.
- The signal box was fitted with a new locking frame in 1912 and was rebuilt circa 1928.
- The 34 lever tappet-locking frame was first installed at Marsh Junction, Bristol, and then moved to Frome North in 1970.
- The lever and locking frame from the signal box were recovered by Network Rail for re-use in the south-west of England.
- The standard-pattern GWR medium-scale signal box was also added at the end of the platform, operated via a 25 lever stud-locking frame.
