The jury summoned under section 727.19 or 727.20 of the Revised Code shall be sworn to inquire into and assess the actual damages in each case separately, under such rules and instructions as are given it by the court. When the jury cannot agree, it may be discharged, but the court may receive its verdict as to one or more of the claimants, and discharge it with respect to the parties concerning whose claims it cannot agree. In case of the discharge of the jury because of such disagreement, a new jury shall be summoned, and the same proceedings shall be had with respect to the claims concerning which there was no verdict, as on the original trial.