Abstract
THE earliest notices of heat engines are found in the “Pneumatics” of Hero of Alexandria, which dates from the year 200 B.C. One of the steam or motive power engines there mentioned is the Æolipiles, a steam reaction engine consisting of a spherical boiler pivoted on a central axis beneath which is placed a flame. The steam escapes by bent pipes facing tangentially in opposite directions at opposite ends of a diameter perpendicular to the axis.
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The Progress of the Steam Turbine. Nature 56, 520–521 (1897). https://doi.org/10.1038/056520a0
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DOI: https://doi.org/10.1038/056520a0