A History of the Ship's Compass Naval History Magazine - December 2022, Volume 36, Number 6

Mechanical gyroscopes are beginning to be replaced by ring-laser or hemispherical-resonator ones, but most ships retain a traditional magnetic compass as a backup—just in case. 

Naval History Magazine - December 2022, Volume 36, Number 6

Evolution of Naval Weapons

Naval History Magazine Vol 36 # 5 October 2022 See Content Page

Marine Technology Magazine : (January 2022)

Maritime history - Wikipedia

Sea History 031 - Spring 1984 by National Maritime Historical

Caribbean Compass Yachting Magazine

Naval History Magazine - December 2022, Volume 36, Number 6

The Transatlantic Slave Trade - Equal Justice Initiative Reports

Compass - Wikipedia

Naval History Magazine - December 2022, Volume 36, Number 6