What is used to correct for both induced and permanent magnetism, and consequently must be readjusted with radical changes in latitude?
A
Flinders bar
B
Soft iron spheres
C
Fore-and-aft permanent magnets in their trays
D
Heeling magnet
E
İlgili Sorular
Charted depth is the __________.When a mobile offshore drilling unit on the waters of the U.S. Outer Continental Shelf has more than...BOTH INTERNATIONAL & INLAND Which dayshape should a vessel being towed exhibit if the tow EXCEEDS 2...Your vessel has 3 lifeboats on each side. The middle boat on the starboard side is designated as boa...On a small passenger vessel, if an inlet or discharge pipe§is not accessible, its shut off valve ___...