sentences:  However, it was possible for the Speaker, Nationalist Sir Littleton Groom, to cast a deliberative vote in the committee (though not on the floor of the House, where the Speaker has only a casting vote).Bruce implored Groom to vote against the amendment in committee so that Bayley could defeat the measure with his tie-breaking vote.However, Groom was steadfast that he would follow the British House of Commons (though not Australian) precedent that the Speaker remain impartial and not vote in committee.