The governing body of each county and city shall, at the expense of the county or city, provide (i) suitable books and stationery, in addition to supplies furnished by the Commonwealth, for the use of clerks of all courts of record, together with appropriate cases and other furniture, for the safe and convenient keeping of all the books, documents and papers, in the custody of such officers; (ii) official seals for such officers; and (iii) such other office equipment, electronic or other systems, and appliances as in their judgment may be reasonably necessary for the proper conduct of such offices.