From a letter to J McKinlay (Gaucyhillock, Newmachar, Aberdeenshire) from Peter MacArthur & Co Ltd of Glasgow circa 1898. About 40 years previous (1858), MacArthurs had been approached by a Major Irvine (introduced by one of their big military contractors) looking to get an Irvine tartan made. MacArthurs got him to choose a sett with similar colours to the Forbes (with which Irvine was an associated clan) and they made a few kilt lengths. Letter extract in Dalgety Archives of the STA.