There can be no doubt that the plaintiff, under his declaration, and without proving any demand, is entitled to recover interest by way of damages upon the judgment sued on, from the date of that judgment to the date of judgment in this action, computed at the ordinary legal rate of interest in this Commonwealth. Williams v. American Bank, 4 Met. 317, 322. Barringer v. King, 5 Gray, 9. Mahurin v. Bickford, 6 N. H. 567. Exceptions overruled, with double costs.