Ships Equipped with Sperry Gyro-Compass.]

[Illustration: Great Colliers carry coal for the world’s navies.]

[Illustration:

50. H. I. M. S. Kongo—

© Underwood & Underwood.

51. H. M. S. Conte di Cavour—

© Underwood & Underwood.

52. U. S. S. Delaware—

First Ship to Carry Gyro-Compass.

53. H. M. S. Queen Elizabeth—

© Western Newspaper Union.

54. H. M. S. Lion—

© Underwood & Underwood.