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.

Ships Equipped with Sperry Gyro-Compass.

Speedy Ice-boats provide thrilling winter sport.

THE SPERRY GYROSCOPE COMPANY, LTD.

NEW YORK ‐ LONDON ‐ MILAN ‐ PARIS ‐ PETROGRAD ‐ TOKIO ‐ COPENHAGEN STOCKHOLM ‐ LA HAGUE

15, VICTORIA STREET,

LONDON, S. W.