Where would I find information on boatmen who held a Master or Navigator ticket? Assume there would have to have been some formal type of exams? Period is in the 1800s Grateful for any information TIA Milly Banks - Perth Au emabee@bigfoot.com researching: BANKS/MAUDSLEY/(SLATER) NIXON/WILKES - Eng HOOD/FERGUSON/HANNA/EWART - Sct/Ire