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Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Mushroom valve may refer to: The exhaust valve of a ...
The word poppet shares etymology with "puppet": it is from the Middle English popet ("youth" or "doll"), from Middle French poupette, which is a diminutive of poupée.The use of the word poppet to describe a valve comes from the same word applied to marionettes, which, like the poppet valve, move bodily in response to remote motion transmitted linearly.
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The snifting valve is the small mushroom directly behind the chimney. The square cover beneath is another distinctive LNER feature, covering the end of the superheater header. A snifting valve (sometimes snifter valve) is an automatic anti-vacuum valve used in a steam locomotive when coasting. The word Snift imitates the sound made by the valve.
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A simplified diagram of an agaric-type basidioma in (A) the early development stage, and (B) after the body is fully expanded. (1) is the universal veil, the outer layer protecting the developing basidioma; (4) is the volva, the remnant of the universal veil at the base of the basidioma.
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Generates the mycomorphbox at right: All parameters other than name and hymeniumType can now be specified with a secondary characteristic. For example, a mushroom might appear with both convex and flat caps at maturity, this can be indicated in the mycomorphbox by adding a second capShape parameter, simply by repeating the parameter name followed by the numeral 2: