Merchant mariners - Great Britain

Anno regni Georgii II. Regis Magnae Britanniae, Franciae, & Hiberniae, vicesimo sexto. At the Parliament begun and holden at Westminster, the tenth day of November, anno Dom. 1747, in the Twenty first Year of the Reign of our Sovereign Lord George the Second, by the Grace of God, of Great Britain, France, and Ireland, King, Defender of the Faith, &c. And from thence continued by several Prorogations to the eleventh day of January, 1753, being the Sixth Session of this present Parliament