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- The Trolley Supply Co. Ideal Trolley Catcher - Most electric streetcars took their power from an overhead wire. A trolley wheel, at the end of a roof-mounted pole, contacted the wire and collected electric current. If the wheel disengaged from the wire, the spring-loaded pole could damage the power line. A trolley catcher prevented the pole from snapping up too far, reducing the risk of damage.
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The Trolley Supply Co. Ideal Trolley Catcher
Most electric streetcars took their power from an overhead wire. A trolley wheel, at the end of a roof-mounted pole, contacted the wire and collected electric current. If the wheel disengaged from the wire, the spring-loaded pole could damage the power line. A trolley catcher prevented the pole from snapping up too far, reducing the risk of damage.