Chapter 26

A Super-dreadnought, the bulwark of sea power.FIGS. 19, 20, 21, 22, 23. Sperry Gyro-Compass Repeaters.

A Super-dreadnought, the bulwark of sea power.FIGS. 19, 20, 21, 22, 23. Sperry Gyro-Compass Repeaters.

FIGS. 19, 20, 21, 22, 23. Sperry Gyro-Compass Repeaters.

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