He intended to go to Plymouth and from there Jamaica .
On December 25 , 1747 , Briton Hammon left Marshfield in Boston on his first expedition with the permission of his master , General Winslow .
Briton Hammon intended to go to Plymouth and from there Jamaica .
On December 25 , 1747 , Briton Hammon left Marshfield in Boston on his first expedition with the permission of his master , General Winslow .