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The Sperry Gyro-Compass, by The Sperry Gyroscope Co.
Putting the Earth to Work
How the Earth’s Rotation Is Utilized
How a Compass is Used
The Ideal Compass
Comparison of the Magnetic Compass with the Sperry Gyro-Compass
True North
The Magnetic Compass
The Sperry Gyro-Compass
Freedom From Calculation
Freedom From Compensation
Freedom From Checking Deviation
Influences Due to Magnetism of the Ship
Influences Due to Cargo
Influences Due to Temperature Changes
Influences Due to Roll and Pitch of the Ship
The Magnetic Compass
The Sperry Gyro-Compass
Warning of Unreliability
Advantages Attending the Use of the Sperry Gyro-Compass
The Sperry Gyro-Compass Equipment
The Master Compass
The Repeaters
Compass Control-Panel
Motor-Generator
Storage Battery
Sperry Recording Compass
Operation
Care
Sperry Service
Workmanship
Testing
Packing
The Sperry Service Organization
Service Given to the World’s Navies by the Gyro-Compass
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