Specifications for triple-expansion twin-screw propelling engines: with boilers & auxiliary mach., for coast line battle ships, nos. 1, 2 & 3, of about 9,000 tons cruising displacement, to make a, speed of 15 knots per hour

Specifications for triple-expansion twin-screw propelling engines: with boilers & auxiliary mach., for coast line battle ships, nos. 1, 2 & 3, of about 9,000 tons cruising displacement, to make a, speed of 15 knots per hour