A GUIDE TO THE LOCAL MARINE BOARD EXAMINATIONS OF MASTERS AND MATES. BY L. ALLEN, NAVIGATION SCHOOL, TRINITY HOUSE, DUNDEE. LONDON: SIMPKIN, MARSHALL, & COY. LIVERPOOL: PHILIP, SON, & NEPHEW. EDINBURGH OLIVER & BOYD. GLASGOW PORTEOUS BROTHERS. DUNDEE PUBLISHED BY WILLIAM SMITH, 112 NETHERGATE. 231. 1872. 9. 31. |