All employees of factories, mines, mills, distilleries and every kind of manufacturing establishment of this State shall have a lien upon all the output of the factory, mine, mill, distillery or other manufacturing establishment by which they may be employed, either by the day or month, whether the contract be in writing or not, to the extent of such salary or wages as may be due and owing to them under the terms of their contract with the employer, such lien to take precedence over any and all other liens except the lien for municipal, State and county taxes.