26. Proof of entries in societies books. A copy of any entry in a book of a registered society regularly kept in the course of business, shall, if certified in such manner as may be prescribed by the rules, be received, in any suit or legal proceeding, as prima- facie evidence of the existence of such entry, and shall be admitted as evidence of the matters, transactions and accounts therein recorded in every case where, and to the same extent as, the original entry itself is admissible.