Physical description
Series of three photos showing pyramid or rerailing plates and how they were used. Appears to be photographed at Preston Works shops during the 1970's.
.1 - Fabricated plate with an angle welded to it, showing how it was positioned relative to a derailed wheel.
.2 - Photo shows a pyramid plate placed relative to a wheel and axle set.
.3 - ditto relative to an fabricated angle plate.