A d.c. generator with permanent magnet or d.c. field winding which generates a d.c. output voltage proportional to the speed.
Reference: I.E.C. (modified)
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
diameter at the waterline (m)
change in the value of a term
Solar declination angle (in degrees)
Celsius (previously Centigrade)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM