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An illustration of Hero's aeolipile. An aeolipile, aeolipyle, or eolipile, from the Greek "Αἰόλου πύλη," lit. ' Aeolus gate ', also known as a Hero's (or Heron's) engine, is a simple, bladeless radial steam turbine which spins when the central water container is heated. Torque is produced by steam jets exiting the turbine.
Hero's aeolipile. A number of devices and inventions have been ascribed to Hero, including the following: The aeolipile (a version of which is known as "Hero's engine"), which was a rocket-like reaction engine and the first-recorded steam engine (although Vitruvius mentioned the aeolipile in De Architectura, presumably earlier than Hero). [13]
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one letter, while the black squares are used to ...
Easton's Bible Dictionary (1894) book cover. The Illustrated Bible Dictionary, [a] better known as Easton's Bible Dictionary, is a reference work on topics related to the Christian Bible, compiled by Matthew George Easton. The first edition was published in 1893, [1] and a revised edition was published the following year. [2]
Plants of the Bible, Missouri Botanical Garden; Project "Bibelgarten im Karton" (biblical garden in a cardboard box) of a social and therapeutic horticultural group (handicapped persons) named "Flowerpower" from Germany; List of biblical gardens in Europe; Herbermann, Charles, ed. (1913). "Plants in the Bible" . Catholic Encyclopedia. New York ...
The 1698 Savery Steam Pump - the first commercially successful steam powered device, built by Thomas Savery [1] The first recorded rudimentary steam engine was the aeolipile mentioned by Vitruvius between 30 and 15 BC and, described by Heron of Alexandria in 1st-century Roman Egypt. [2]
An 1880 Baxter process illustration of Revelation 22:17 by Joseph Martin Kronheim. The bride of Christ, or the lamb's wife, [1] is a metaphor used in number of related verses in the Christian Bible, specifically the New Testament – in the Gospels, the Book of Revelation, the Epistles, with related verses in the Old Testament.