Common names include african mahogany, dry zone mahogany, gambia mahogany, khaya wood, senegal mahogany, cailcedrat, acajou, djalla, and bois rouge. All species grow to around 3035m tall, rarely 45m, with a trunk over 1m diameter, often buttressed at the. The title of this book could not be more explicit or apt. Khaya anthotheca white mahogany, east african mahogany pfaf. Wooden books the mathemagical ancient wizdom series. It should not be confused with genuine mahogany, which comes from brazil and tropical america. Identifying and using hundreds of woods worldwide poster. An encyclopedia of the worlds wood varieties wood database.
The real challenge in database design is not always limited into addressing the data properly per requirement but also in designing the data processing and analysis and in interpretation. Unlike other khaya species which do not require much rainfall, it is reported to grow in the rain forest in lowlying areas within its range. Cant a book exist that features both vivid and accurate pictures, and also solid, usable facts and information on wood species. Bole straight, unbranched up to 30 m above the ground with welldeveloped plank buttresses. Identifying and using hundreds of woods worldwide by eric meier 20151010 by the wood database. Khaya senegalensis occurs from mauritania and senegal east to northern uganda. The introductory chapters about wood structure, etc, are really good. The trunk is up to 1 m in diameter and can be unbranched for up to 16 m. Tonally, it has many similarities to mahogany, with crisp strong fundamentals, and a little extra treble zing. A detailed guide to design, techniques, and tools for the beginner and expert jackson, albert, day, david on. Eric redmond shelved 19 times as database avg rating 4.
He has contributed material to many publications, movie studios, and museums, including eastman house, the academy of motion picture arts and sciences. Pdf variation in density and shrinkage between sawmill and. Pdf variation in density and shrinkage between sawmill. Shipping currently not available to canada or australia. The wood peels and slices well, producing an excellent quality of veneer. Diffuseporous 238 ringporous 66 semiringporous 44 pore arrangement. Here youll find current best sellers in books, new releases in books, deals in books, kindle. African mahoganys khaya ivorensis is a very large tree that attains a height of 4050 m and a dbh of up to 2 m. Popular database books showing 150 of 1,720 seven databases in seven weeks. Dermatitis due to the wood dusts of khaya anthotheca and. A very valuable wood with a handsome grain, it is used in furniture making, highclass cabinet work, for the production of veneers and for any application where a.
They may be separated from swietenia and khaya mahogany on the basis of their endgrain. Let me know if youve got something interesting that youd like to donate to the site. Tonewood descriptions whetstone school of lutherie. See the articles wood allergies and toxicity and wood dust safety for more information. Denser woods, for example hard maple, often used for necks, are stronger but not as loud r 6 vs. Khaya anthotheca is a deciduous tree growing to 50 m 164ft by 30 m 98ft at a fast rate. A detailed guide to design, techniques, and tools for the beginner and expert. Janka hardness 1,180 lbf 5,260 n for a frame of reference white oak is 1,350 lb f 5,990 n while eastern white pine has a hardness of 380 lbf 1,690 n. Moderately numerous 64 very numerous 20 darkcolored deposits 33. Amazons choice recommends highly rated, wellpriced products available to ship immediately. Book database online offers a searchable catalog of all independent publisher titles and more. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. Search the worlds most comprehensive index of fulltext books.
At the other factory the wood of machaerium scleroxylon, a timber of similar appearance to rio rosewood, was implicated. The name african mahogany covers all species of khaya, although their timbers vary somewhat in character, particularly in weight. Eric meier, who ownsruns the wood database web site has now published a really good wood book, called wood. Database systemsjosephhellersteindp0262693143 it wouldnt make a good. Padauk, a legume, is a dense and unique hardwood from africa. Prices are low to moderate for an imported hardwood. While other lookalikes such as african mahogany khaya spp. The purpose of this note is to give students about an understanding of what database systems are, why we use. Not frequently available, prices for utile should be moderate for an imported hardwood.
This answer is taken from what is the best way to study database management systems. List of wood species luthiers mercantile international, inc. It is commonly planted within its natural area of distribution, mainly as ornamental and roadside tree, and also outside this area, e. The database was created by eric meier, who originally began compiling specs on different types of wood for his own personal use, to use as a guide in selecting the appropriate wood for projects. Over time, it slowly ages to a purple rosewood color maybe to brown. He maintains the independent visions photographic archives, a collection featuring more than a million unique images that details the history of cinema and television. Get your database books at much lower prices than other booksellers. Im slowly grinding my way through roughly 800 wood species that have still yet to be listed on the site. It has a bole that is up to 1 metre in diameter, unbranched for 8 16 metres, the buttresses are neither prominent nor absent. Khaya is a genus of five species of trees in the mahogany family meliaceae.
Wood database and searchable library african mahogany khaya nyassica. Janka hardness 1,410 lbf 6,280 n the hardest of the three options. The timber of khaya is called african mahogany, and is valued as a substitute to genuine mahogany of the genus swietenia description. Each image anywhere in the web site should be identified by its publishing house. The causes of several cases of dermatitis at three furniture factories have been investigated. What wood is that a manual of wood identification studio. A complex set of interrelational data structures allowing data to be lost in many convenient sequences while retaining a complete record of the logical relations between the missing items. Khaya or african mahogany has about the same hardness as american cherry. Im working my way alphabetically by botanical name, so check out the latest added wood to see where im at in the queue. Utile the wood database lumber identification hardwood. Comprised of a handful of species from the khaya genus, all of which are native to africa. Sometimes lacks the deeper reddish brown color and durability that is common for true mahogany in the swietenia genus. I was never able to understand the topic taken by our teacher in the class. If you cant find the publisher youre looking for, check out a complete list of vintage paperback publishers here.
African mahogany lumber, or khaya as it is also known for its scientific name khaya ivorensis, is popular for use in flooring, furniture and cabinetwork, joinery, shop fixtures, boat building, plywood, interior trim and decorative veneers. African mahogany wood, or khaya as it is also known for its scientific name khaya ivorensis, is popular for use in flooring, furniture and cabinetwork, joinery, shop. In this volume, you will discover a very comprehensive description of each wood. Khaya senegalensis is a species of tree in the meliaceae family that is native to africa.
You will find each wood toxicity factor known at the time of printing this book. What are some good books on database for beginners. Luthiers now use it as a substitute for american mahogany in musical instruments. The wood properties and wood quality of single trees of a 22yearold teak tectona grandis l. For an advanced book, i liked readings in database systems. Khaya senegalensis dryzone mahogany pfaf plant database. All species grow to around 3035m tall, rarely 45m, with a trunk over 1m diameter. Wood database and searchable library numerical values for. This book is one of only two, in the wood identification category i have discovered, that i can wholeheartedly grant a 5 star rating to. The species are native to tropical africa and madagascar. With 40 actual wood specimens in popular use, descriptions of grain, color and texture, how to identify trees by their leaves, fruit, and bark, and much more, this is a small encyclopedia for woodworkers, carpenters, hobbyists, dealers, architects, craftsmen, nature lovers, teachers, or anyone with the urge to learn about wood. Nov 03, 2015 everything thats made the wood database website.
Diagonalradial 49 exclusively solitary 53 radial multiples 44 solitary and radial multiples 198 tangential bands 25 very large 98 pore frequency. I felt dbms subject difficult to understand when i was in college. Readily available in a variety of lumber sizes, as well as plywood and veneer. The species is reported to be found in all the timber producing areas of west africa, from ivory coast to gabon and cabinda, and is primarily found in the ivory coast, ghana, and nigeria. Personal book database librarything i recently started adding books that i own into the site, which is a nifty online tool for organizing the books on your shelf. African walnut the wood database lumber identification. Identifying and using hundreds of woods worldwide by eric meier 20151010 by isbn. A guide to modern databases and the nosql movement paperback by. Since it is a durable wood, it can be used in doors, windows, and other exterior applications. Khaya wood is sold as african mahogany and is popular for making cabinets, musical instruments, veneer, and furniture. This wood species is not listed in the cites appendices, but is on the iucn red list. When wood is used as the top of an acoustic instrument, it can be described using plate theory and plate vibrations.
Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search. Book recommendation for advanced sql design, scripting and optimiziation. The bulk of the timber shipped is produced by khaya ivorensis and khaya anthotheca, each with moderately lightweight, pale to mediumred wood, and it is timber of this type which is accepted commercially as african mahogany. African mahogany is considered a valid alternative substitute to genuine honduran mahogany. A guide to useful woods of the world by james h flynn jr and charles d holder of the international wood collectors society. Its better than most of the other reference books i have. This section contains free e books and guides on database systems, some of the resources in this section can be viewed online and some of them can be downloaded. Bow woods from a mathematical perspective top ten hardest woods. For database concepts fundamentals of database systems. Is best all that makes the wood database unique, distilled into one potent book. Sapele is a highly sustainable west african tonewood thats often confused with the west african wood khaya. It is listed as vulnerable due to a population reduction of over 20% in the past three generations, caused by a decline in its natural range, and.
At two factories the trouble was traced to the wood of khaya anthotheca, one of the species which comprise african mahogany. I hope to have freshly printed books back in stock in early june. If youre look for a simpler, but another excellent book, check out. Click on the links below to view wood photos, descriptions and sources. Ribbon striped 1 flat cut 9 quarter cut 4 knotty 1 rotary 1 rift cut 2 not finding a specific species, size, or backer option. Wood database and searchable library lumber for woodworking thats packed professionally, shipped right to your door, and guaranteed 100%.
Janka hardness 1,070 lbf 4,760 n the softest but still very close to utile. Almost all khaya flooring is clear grade, which is chosen for its unique red color. Books can be searched by isbn, author name, or book title. Best database design book top 10 database design book. The timber of khaya is called african mahogany, and is valued as a substitute to genuine mahogany of the genus swietenia. When purchasing wood, be sure to inquire about grain and figure. Ash 2 birch 1 cherry 2 khaya 1 mahogany 2 maple 2 oak 4 pine 2 red oak 2 sapele 1 walnut 1 white oak 2 cutstyle types. The books homepage helps you explore earths biggest bookstore without ever leaving the comfort of your couch. Khaya trees yield a water swellable gum called khaya gum. Identifying and using hundreds of woods worldwide by. Good books for sql looking for a good book to learn sql. African mahogany, lagos wood, nigerian mahogany, ghana mahogany, ivory coast mahogany, benin mahogany, grand bassam mahogany, benin wood, ogwango. Everyday low prices and free delivery on eligible orders.
African mahogany the wood database lumber identification. The photos in our wood library generally show the color and texture of average samples of the woods. Native to africa, khaya senegalensis or known in various common names such as dry zone mahogany, african mahogany, gambia mahogany, khaya wood, and senegal mahogany among others is a mediumsized tree of about 15 30 m tall. Khaya wood flooring grades janka 830 khaya ivorensis. Santos mahogany the wood database lumber identification. The name sapele comes from that of the city of sapele in nigeria, where there is a preponderance of the tree. Khaya is used in fine furniture, casework, architectural mouldings, and millwork. The loudest wood tops, such as sitka spruce, are lightweight and stiff, while maintaining the necessary strength.
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