Wherever the statutes require deeds, mortgages, conveyances, deeds of trust, bonds, covenants, documents, marriage contracts, certificates of marriage, commissions, official bonds, statements, records, plats, surveys, schedules, papers, patents, or other instruments of writing to be recorded, the making of photographic copies of such deeds or other instruments of writing shall be deemed recording within the meaning of this chapter. Such photographic copies shall be bound, paged and indexed wherever it is so provided for deeds or other instruments recorded by hand, and such photographic copies when bound together shall be deemed record books within the meaning of this chapter.