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Locomotion
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Signalling & Telecommunications
2
Locks & Fastenings
1
Object type
lever lock
3
circuit controller
1
lever lock; circuit controller
1
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Gravity type lever lock
Gravity type lever lock
Hamp's double action lever lock, 1854
Hamp's double action lever lock, 1854
1854
Combined lever lock and circuit controller
Combined lever lock and circuit controller
