TY  - BOOK
AU  - May,W.E.
TI  - Compass adjustment : : a handbook for ship's officers and yachtsmen / 
U1  - 623.863 MAY 
PY  - 1951///
CY  - New York : 
PB  - Hutchinson's Scientific and Technical Publications, 
KW  - Compass
KW  - Magnetism of ships
ER  -