Note 1098 — CHARLES I 1625-1649 PART II—ROYAL AND MERCHANT SHIPPING
Reading edition
State Papers, Dom., ccclxiii, 29. It is difficult even in these days of mechanical appliances to keep the ports completely water-tight in heavy weather. Ports were fastened by a bar of wood passed through a ring on the inside; but this could not have been very effectual, and it was usual to drive oakum into the seams of the ports when bad weather was expected (Nomenclator Navalis).