SEC. 17. And be it further enacted, That all the said courts of the United States shall have power to grant new trials, in cases where there has been a trial by jury for reasons for which new trials have usually been granted in the courts of law; and shall have power to impose and administer all necessary oaths or affirmations, and to punish by fine or imprisonment, at the discretion of said courts, all contempts of authority in any cause or hearing before the same; and to make and establish all necessary rules for the orderly conducting business in the said courts, provided such rules are not repugnant to the laws of the United States.
