to 55 lb., which, however, will be increased when the existing boilers,
which are old, come to be replaced by new. Indicator diagrams from the
engines are given on page 309. The engine is very economical in steam
consumption, but no special trials or tests have been made with it. An
exactly similar engine, but of smaller size, with a cylinder 30 inches
diameter and 8 feet stroke, working at forty-five revolutions per
minute, made by Messrs. Hick, Hargreaves & Co. for Sir Titus Salt,
Sons & Co.'s mill at Saltaire, was tested about two years ago by Mr.
Fletcher, chief engineer of the Manchester Steam Users' Association, and
the results which are given below pretty fairly represent the results
obtained from this class of engine. Messrs. Hick, Hargreaves & Co. are
now constructing a single engine of the same type for 1,800 indicated
horse-power for a cotton mill at Bolton; and they have an order for a
pair of horizontal compound Corliss engines intended to indicate 3,000
horse-power. These engines will be the largest cotton mill engines in
the world.--_The Engineer_.
[Illustration: 1000 HORSE POWER CORLISS ENGINE.--BY HICK. HARGREAVES &
CO.]
_Result of Trials with Saltaire Horizontal Engine on February 14th and
15th, 1878. Trials made by Mr. L.E. Fletcher, Chief Engineer Steam
Users' Association, Manchester._
Engine single-cylinder, with Corliss valves. Inglis and Spencer's valve
gear.
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