Pipe Dreams: Dr Plumb.

Pipes

Native Americans smoked tobacco in pipes long before the arrival of Europeans. The calumet, or peace pipe, was smoked in ceremony to seal covenants and treaties. Tobacco was introduced to Europe from the Americas in the 16th century and spread around the world rapidly. Pipes have been fashioned from an assortment of materials including briar, clay, ceramic, corncob, glass, meerschaum, metal, gourd, stone, wood and various combinations thereof, most notably, the classic English calabash pi Pipes also vary across a wide spectrum of cost and complexity, from simple pipes of unglazed clay which were popular in Europe and the Americas for centuries, to hookahs made of hand-blown glass and fitted with precious metals. A smoking pipe for tobacco smoking typically consists of a small chamber (the bowl) for the combustion of the tobacco to be smoked and a thin stem (shank) that ends in a mouthpiece (the bit). Pipes can range from the very simple machine-made briar pipe to highly-prized handmade and artful implements created by renowned pipemakers which are often very expensive collector's items. The bowls of tobacco pipes are commonly made of briar, corncob, meerschaum, or clay. Less common are cherrywood, olivewood, maple, mesquite, and oak. Generally a dense-grained wood is ideal. Minerals such as catlinite and soapstone have also been used. Pipe bowls of all these materials are sometimes carved with a great deal of artistry. Unusual, but still noteworthy pipe bowl materials include gourds, as in the famous calabash pipe, and pyrolytic graphite.[1] Metal and glass are uncommon materials for tobacco pipes, but are common for pipes intended for other substances. The stem needs a long channel of constant position and diameter running through it, and this is difficult to carve out of a pre-existing block. Because it is molded rather than carved, clay may make up the entire pipe or just the bowl, but most other materials have stems made separately and detachable. Stems and bits of tobacco pipes are usually made of moldable materials like vulcanite, lucite, Bakelite, and soft plastic. Less common are stems made of reeds, bamboo, or hollowed out pieces of wood. Expensive pipes once had stems made of amber, though this is rare now. Tobaccos for smoking in pipes are often carefully treated and blended to achieve flavour nuances not available in other tobacco products. Many of these are blends using staple ingredients of variously cured Burley and Virginia tobaccos which are enhanced by spice tobaccos, among them many Oriental or Balkan varietals, Latakia (a fire-cured spice tobacco of Cypriot or Syrian origin), Perique (uniquely grown in St. James Parish, Louisiana) or blends of Virginia and Burley tobaccos of African, Indian, or South American origins. Traditionally, many U.S. blends are made of American Burley with sweeteners and flavorings added to create an "aromatic" flavor, whereas "English" blends are based on natural Virginia tobaccos enhanced with Oriental and other natural tobaccos. There is a growing tendency towards "natural" tobaccos which derive their aromas from artful blending with selected spice tobaccos only and careful, often historically-based, curing processes.

Briar

Tobacco pipe of briar wood
The majority of pipes sold today, whether hand made or machine made, are fashioned from briar ((French) bruyère). Briar is a particularly good wood for pipe making for a number of reasons. The first and most important is its natural resistance to fire. The second is its inherent ability to absorb moisture. The burl absorbs water in nature to supply the tree in the dry times and likewise will absorb the moisture that is a byproduct of combustion. Briar is cut from the root burl of the tree heath (Erica arborea), which is native to the rocky and sandy soils of the Mediterranean region. Briar burls are cut into two types of blocks; ebauchon and plateaux. Ebauchon is taken from the heart of the burl while plateaux is taken from the outer part of the burl. While both types of blocks can produce pipes of the highest quality, most artisan pipe makers prefer to use plateaux because of its superior graining. Some pipe makers use Brylon, a synthetic material which has properties similar to briar.

Meerschaum

a meerschaum pipe
Meerschaum (hydrated magnesium silicate), a mineral found in small shallow deposits mainly around the city of Eskişehir in central Turkey, is prized for its plasticity which allows it to be carved into many decorative and figural shapes. It has been used since the 17th century and, with clay pipes, represented the most common medium for pipes before the introduction of briar as the material of choice in the 19th century. The word "meerschaum" means "sea foam" in German, alluding to its natural white color and its surprisingly low weight. Meerschaum is a very porous mineral that absorbs elements of the tobacco during the smoking process, and gradually changes color to a golden brown. Old, well-smoked meerschaum pipes are prized for their distinctive coloring. In selecting a meerschaum pipe it is advisable to take assurances that the product is indeed carved from a block of meerschaum, and is not made from meerschaum dust collected after carving and mixed with an emulcifier then pressed into a pipe shape. These products are not absorbent, do not color, and lack the smoking quality of the block carved pipe.

Calabash

Calabash pipe with meerschaum bowl.
Calabash gourds (usually with meerschaum or porcelain bowls set inside them) have long made prized pipes, but they are labour-intensive and nowadays quite expensive. Because of this expense, pipes with bodies made of wood (usually mahogany) instead of gourd, but with the same classic shape, are sold as calabashes. Both wood and gourd pipes are functionally the same. They both have an air chamber beneath the bowl which serves to cool, dry, and mellow the smoke. There are also briar pipes being sold as calabashes. These typically do not have an air chamber and are named only because of their external shape.
The construction of a calabash pipe generally consists of a downward curve that ends with an upcurve where the bowl sits. This low center of gravity allows for the user to easily hold the pipe by the mouth alone, leaving his hands free. This advantage was often used by actors who wanted to depict their character smoking while permitting them to do other business simultaneously. That is why the character Sherlock Holmes, who never used this kind of pipe in the stories, is stereotypically depicted as favoring it because early dramatic productions, especially those starring William Gillette and Basil Rathbone, made this artistic decision. In fact, Holmes, who preferred very harsh tobacco, would probably have disliked the calabash because of the above-mentioned mellowing effect.

Pipe Dreams

Sunday, 17 August 2014

Dr Plumb.

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