Section 4. Priority of lien over other liens
No mortgage, or other instrument by which a lien is hereafter credited, shall operate to impair or postpone the lien and preference given and secured to the wages and moneys mentioned in the first section of this act: Provided, That no lien of mortgage or judgment entered before such labor is performed, shall be effected or impaired thereby. 1872, April 9, P.L. 47, Sec. 4.