§ 165-b. Power of supreme court justices in Rockland county to appoint law stenographers and typists. The justice or justices of the supreme court residing in Rockland county, or a majority of them, may appoint and at pleasure remove and prescribe the duties of a confidential law stenographer and typist, who shall receive such compensation as may be fixed by the board of supervisors of such county. Such compensation shall be a charge against such county and shall be paid by the treasurer thereof in monthly installments upon the certificate of such justice or justices, or a majority of them.