|  | Ground Level Signal Box Small Stations,goods yards and level crossings are all places where a small ground-level signal box would be used to protect the lever frame or crossing gate gear , 48mm x 36mm.WLSSS29 | 
  
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Small Stations,goods yards and level crossings are all places where a small ground-level signal box would be used to protect the lever frame or crossing gate gear , 48mm x 36mm.