TRANSPORT & MACHINERY :: RAIL TRANSPORT :: RAILROAD TRACK :: MANUALLY OPERATED SWITCH image - Visual Dictionary Online
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ALSTOM MODEL 5H RAILROAD DUAL CONTROL SWITCH MACHINE 54505-015-21 | eBay
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Electric Dual Point Switch Operators DC Power, Non-Locking - https://www.irwincar.com/transportation-products/electric-dual-point-switch -operators-dc-power-non-locking/