The county board may, by resolution, authorize any person to use a portion of the county building for the purpose of making abstracts of title, upon the execution by such person of a bond to the state in a sum not less than $500, conditioned for the faithful performance of duties as such abstracter and that the abstracter will handle all public records with care and charge no greater fee for abstracts of title than is or may be allowed by law to county recorders for like services.