NEW STEAMER.

A new steamer for the Mallory line, between New York and Texas, was

lately launched from the yard of Roach & Co., Chester, Pa., 2,200 tons

burden. Principal dimensions as follows: Length over all, 239 feet 7

inches; beam (moulded), 34 feet; depth from the base to the spar deck

beams, 18 feet 21/2 inches; depth of hold, 16 feet 51/2 inches; diameter

of propeller (Hirsch's patent-four blades), 11 feet 6 inches. She

is to be provided with compound engines, having cylinders 24 and 44

inches in diameter, with a stroke of 44 inches, and two return tubular

boilers 10 feet long, 10 feet 3 inches wide, and 8 feet 6 inches high.

Aft are compartments capable of holding 80 tons of water, for the

purpose of depressing the stern before and after crossing the bar at

Corpus Christi. Her low draught is 71/2 feet; speed, 14 knots.

* * * * *

Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 44 / 213 题