A History of the Ship's Compass

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. 

The Magnetic Compass - EcoClipper

Compass Museum - History - Bibliography

Binnacle - Wikipedia

magnetic compass Archives - The Productive Teacher

Compass, History, Uses & Types

PDF) Compasses and sinking ships: Mrs Janet Taylor's contribution in the compass adjusting controversy of mid-nineteenth-century England

Antique compass on world map. Vintage geographic history maps with old marine compasses arrows, ancient nautical sailing ship journey compass. Navigat Stock Vector Image & Art - Alamy

A History of the Ship's Compass

The Super Submarine: USS Albacore

Search U.S. Naval Institute

The History of the Compass - Dalvey