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A meerschaum pipe is a smoking pipe made from the mineral sepiolite, also known as meerschaum. Meerschaum ( German pronunciation: [ˈmeːɐ̯ʃaʊ̯m] ⓘ , German for "sea foam") is sometimes found floating on the Black Sea and is rather suggestive of sea foam (hence the German origin of the name, as well as the French name for the same ...
Meerschaum became a premium substitute for the clay pipes of the day and remains prized to this day, though since the mid-1800s briar pipes have become the most common pipes for smoking. When smoked, meerschaum pipes gradually change colour, and old meerschaums will turn incremental shades of yellow, orange, red, and amber from the base up.
The sound of an organ pipe is made up of a set of harmonics formed by acoustic resonance, with wavelengths that are fractions of the length of the pipe.There are nodes of stationary air, and antinodes of moving air, two of which will be the two ends of an open-ended organ-pipe (the mouth, and the open end at the top). [1]
Pipes exposed to "severe cold" including outdoor hose bibs, swimming pool supply lines, and water sprinkler lines. (If you have swimming pool or sprinkler supply lines, they needed drained too.)
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Three polytypes of chrysotile are known. [8] These are very difficult to distinguish in hand specimens, and polarized light microscopy [6] must normally be used. Some older publications refer to chrysotile as a group of minerals—the three polytypes listed below, and sometimes pecoraite as well—but the 2006 recommendations of the International Mineralogical Association prefer to treat it as ...
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