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Detail of the DPDT-switch

To control the polarity of the frog a DPDT-switch is used. Additional the spring within the DPDT-switch keeps the points in place. The DPDT-switch is moved bij a screwterminal where on one side the screw is removed to accomodate the top of the switch.

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Uploaded on January 6, 2015
Taken on January 6, 2015