THREATENED HARRIMAN Retired New York Real Estate Man Under Arrest New York Dec 2 Brook Mackall Machall 60 years old a wealthy retired real estate man was arrested at his home In this city late tonight because of the threats he Is alleged to have made against E EH EH EH H Harriman and other officials of the Union Pacific railroad He was exam examined examIned ined med by police surgeons and adjudged insane He will tomorrow be commit committed ted to St Elizabth the government in insane Insane Insane sane asylum When searched a threatening letter addressed to President Harriman was found According to the police poUce Mackall has been making complaints for several weeks that he lost thousands of dol dollars dollars dollars lars on account of the change In the presidency of the Illinois Central rail railroad railroad railroad road