Objects and Photographs

Large Weapons, Technical and Communications Equipment

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Gyroscopic Compass
Gyroscopic Compass

Gyroscopic compasses, or gyrocompasses, rely on a rapidly spinning gyroscope. They offer several advantages over traditional magnetic compasses, which rely on the earth's magnetic field.

Because of their steadiness and accuracy, gyrocompasses helped warships to search for and attack submarines. They also allowed the use of more advanced anti-submarine weapons. Master compasses like the example shown here could, in addition, send compass information to "repeaters" at various locations throughout a ship. Canadian corvettes did not start receiving gyrocompasses until mid-war. Until then, they had relied on magnetic compasses, which reduced their effectiveness as escorts and anti-submarine vessels.

Gyroscopic Compass
CWM 19750283-001

4-inch Naval Gun and Mounting
"Pom-Pom" Anti-Aircraft Gun, HMCS Kamloops
Depth Charge and Thrower
Hedgehog Anti-submarine Projectile
Squid Anti-submarine Mortar
Medium Frequency Direction Finding Loop
Binnacle, HMCS Swansea
Gyroscopic Compass
Taffrail Log
German Signal Lamp
Royal Canadian Navy Life Vest
Royal Canadian Navy Lifeboat Bailer
Equipment Plates from U-190
U-190's Starglobe
Japanese Shell Fragment
Dumaresq Mark VIII
Oropesa Minesweeping Float
Twin 40mm Bofors Gun
Twin 3-Inch Naval Gun and Mount
Life Ring, HMCS Quebec
Homing Torpedo Mk 43 Mod 3
Practice Depth Charge
4.5-Inch Star Shell Packing Case
4-Inch Cartridge Casing, HMCS Iroquois