SP CO switch lock and key R&B

Southern Pacific CO switch lock and key R&B

This is a vintage switch lock and brass key made by ADLAKE for the Southern Pacific RR. The lock is marked SP CO PAT,2040482 R&B M 2 ADLAKE 158. The key is marked SP CO CS-47 ADLAKE. The lock has 4 links of chain and is in good working condition.