Stationary steam engines, simple and compound; especially as adapted to light and power plants (1899)
Thurston, Robert Henry, 1839-1903 · New York, J. Wiley & Sons; [etc., etc.] · leaf 307
engineers from the days of Hero the Younger, andknown to have a high theoretical and moderately high actualefficiency, has been only experimentally used until a veryrecent date. That of Hero is illustrated in the next figure. 2 74 STEAM ENGINES FOR The Atwater engine of about 1840 was of this type,… … Heros Steam Turbine. somewhat extensively employed in the operation of dynamo-electric machinery. It consists of two sets of parallel-flowturbines set, in twin series, on one shaft on either side theinduction-pipe, thus balancing. The passages are graduallyenlarged as the volume of the steam…
Steam-engines
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