1. The collector may employ some competent and reliable abstracter of his city to prepare memorandums of abstract to the land described in the tax bills furnished by the collector.

2. The abstracts shall show all conveyances, liens and charges against such real estate as shown by the records of such city, and shall be certified by the abstracter.

3. The abstracts shall be delivered to the tax attorney who shall file them with the petitions and shall become the property of the purchaser at the tax sale.

4. The abstracter shall receive as compensation a sum not to exceed five dollars for each abstract furnished which sum shall be taxed as costs and paid as other costs in the case.