Improvement in Steam.
The London Times makes the very important announcement that Mr Field, a well known engineer, has discovered a method of greatly increasing the efficiency of the steam engine. Instead of feeding live steam from the boiler to the cylinders, he mixes a volume of live steam in a close chamber with eight times that value of atmospheric air heated to a temperature of say 400deg. Mr Field claims that the total contents of the chamber will have the expansive force of the steam so introduced. This claim, if substantiated, amounts to increasing the energy obtained from coal about eight times. The method of application seems to be simple; a closed chamber is connected with each side of the piston. Into this air heated by the waste heat of the furnaces is forced, after^ which a portion of steam is injected^ and the combination vapour used i^ the cylinder as steam. The experiments reported and the information given would indicate that this is a most important discovery; and may lead to marked changes. The London Times characterises it as the most revolutionary discovery of times.
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Manawatu Herald, Volume III, 14 November 1891, Page 2
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187Improvement in Steam. Manawatu Herald, Volume III, 14 November 1891, Page 2
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