A copy of an entry made in a register kept under this Act, purporting to be certified by the person having the charge of such register to be a true copy, shall be received in all courts and on all occasions whatsoever as evidence, and shall be prima, facie proof of all things therein registered, without the production of the register, or of any document, act, or thing, on which the entry is founded, or proof of the signature; and every person applying at a reasonable time shall be furnished by the person having such charge with a certified copy of any such entry for payment of twopence.