New methods for correcting heeling error; with aid of Harvey-Raynes corrector, introduced by (British) Admiralty, at any stage in journey heeling error may be corrected without introducing any unknown deviation; improvement allows navigator to steady compass at any time without affecting its accuracy.
Developments in correction of magnetic compasses
Engineer
Engineer ; 186 , n 4826
1948
2 pages
Article (Journal)
English
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