In addition to all other powers and duties now conferred by law upon county courts, such courts are hereby authorized and empowered to purchase, install and maintain photo copying equipment, microphotographic, or other miniature photographic processes, appliances and supplies designated for copying photographically or microphotographically all or any number of its deeds, documents, books, records, plats or maps, or other writing, for use by the clerks of the several county courts and to pay therefor and for the maintenances thereof out of the county treasury. The actions of the county courts in heretofore purchasing and maintaining such equipment is now ratified.