Photo shows MMTB Scrubber No. 4 in Elizabeth St. Tram was converted from K class No. 96 in 1929. Renumbered No. 4 in 1934. Out of use from 1947 and the body sold in 1950. Used to clean rail heads and rail grooves. Undated, mid 1940s?Yields information about MMTB Scrubber trams.Black and white on plain paper.tramways, trams, scrubber 4, elizabeth st, mmtb, tram 4, k class, tram 96, works cars