These Malayan Railway railcars designed by the Brtish and named the Wickham Armoured Railcar, were used during the Malayan Emergency 1948-1960 to carry bullion and other valuables to protect them from the Communist terrorists (CTs). Subsequently they were used as Public Works Department Inspection Trolleys. One example is on show at the Royal Malaysian Police Museum in Kuala Lumpur. It’s a place well worth a visit.