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Challenges of Conservation and Sustainable Management of African Rosewood (Pterocarpus Erinaceus) in West Africa
Chapter Challenges of Conservation and Sustainable Management of African Rosewood (Pterocarpus erinaceus) in West Africa Adjonou Kossi, Houetchegnon Towanou, Rabiou Habou, Segla Kossi Novinyo, Abotsi Komla Elikplim, Johnson Benziwa Nathalie, Alaba Pyoabalo, Ouinsavi Christine A.I. Nougbodé, Quashie Akossiwoa Marie-Luce, Kokutse Adzo Dzifa, Mahamane Ali and Kokou Kouami Abstract Pterocarpus erinaceus is an endemic and threatened plant species in arid and semiarid zones of West Africa and is highly exploited for timber, animal feeding, and various medicinal uses. The species is currently native to the Guinean forest- savannah mosaic ecoregion and reported from Senegal to Cameroon. The values of the main characteristics of the P. erinaceus forest stands (density, average diameter, À average height and average stem height) vary significantly (P < 10 3) from the Guinean zone to the Sahelian zone. It has high technological performance and can be classified as heavy and very hard wood with a density of the order of 0.80 Æ 0.07 g/cm3 and an average hardness of 12 Æ 3.7 g/cm3. The species is the subject of large-scale international traffic between West Africa and Asia, which is by far the greatest threat to the species. The various uses induce repeated mutilation and increase pressures on the species resulting in a significant reduction in its natural populations. In response to this situation, measures are proposed, including large-scale plant production strategies, the definition of minimum felling diameters, policy measures, etc., to meet the restoration needs of natural stands of P. erinaceus and the fight against climate change. Keywords: Pterocarpus erinaceus, socioeconomic services, wood properties, uncontrolled logging, sustainable management, West Africa 1. -
Understanding Western Backsaws
Understanding Western Backsaws The Western backsaw has almost vanished. But a few toolmakers are trying to turn back the clock to when this One of the earliest tool catalogs we have, “Smith’s Key,” shows the four types The saw on the bottom is a typical pistol-grip dovetail saw from sawmaker of backsaws available in 1816 from makers in Sheffield, England. Note how Mike Wenzloff of Wenzloff & Sons. Also shown (at top) is a straight-handled saw was in every toolbox. this tool catalog shows the blades as tapered – they are narrower at the toe dovetail saw known as a gent’s saw, so named (we’re told) because it was than at the heel. There’s a likely reason for that. used by gentlemen hobbyist woodworkers in the 19th century. Why Use Western Handsaws? For some woodworkers, the above reasons blade is straight up and down. However, using The backsaws that built nearly every piece of If you do the math, mass-produced high-qual- are a compelling reason to use Western saws. a straight-handled “gent’s saw” isn’t difficult. It antique English and American furniture almost ity Japanese saws are a bargain. You can buy a If you are one of those, read on. If you still pre- just takes a little more getting used to. became extinct, thanks to the universal motor and Japanese dovetail saw for $35 that works just as fer Japanese saws and want to learn more about The teeth of a dovetail saw are quite fine, the Japanese obsession with quality. -
Complete Index of Common Names: Supplement to Tropical Timbers of the World (AH 607)
Complete Index of Common Names: Supplement to Tropical Timbers of the World (AH 607) by Nancy Ross Preface Since it was published in 1984, Tropical Timbers of the World has proven to be an extremely valuable reference to the properties and uses of tropical woods. It has been particularly valuable for the selection of species for specific products and as a reference for properties information that is important to effective pro- cessing and utilization of several hundred of the most commercially important tropical wood timbers. If a user of the book has only a common or trade name for a species and wishes to know its properties, the user must use the index of common names beginning on page 451. However, most tropical timbers have numerous common or trade names, depending upon the major region or local area of growth; furthermore, different species may be know by the same common name. Herein lies a minor weakness in Tropical Timbers of the World. The index generally contains only the one or two most frequently used common or trade names. If the common name known to the user is not one of those listed in the index, finding the species in the text is impossible other than by searching the book page by page. This process is too laborious to be practical because some species have 20 or more common names. This supplement provides a complete index of common or trade names. This index will prevent a user from erroneously concluding that the book does not contain a specific species because the common name known to the user does not happen to be in the existing index. -
NO LOT Football Bank £15-20 Didgeridoo & a Tall Treen Carved
1. NO LOT 2. Football bank £15-20 3. Didgeridoo & a tall treen carved parrot £30-40 4. Large canteen of cutlery £70-90 5. Beware of dog plaque £12-15 6. Goodyear tyre diamond plaque £12-15 7. Soap stone carved sculpture £25-30 8. 2 football plaques £15-20 9. Tall modernist table lamp £30-35 10. 5-piece cane travelling rod with reel £15-25 11. Black and white Flying Scotsman sign £20-25 12. Upholstered footstool £15-20 13. Box of Oneida cutlery £30-40 14. Heavy brass eagle head £40-60 15. Stainless steel table lamp £20-40 16. Large glass dump £40-60 17. Collection of metal birds £20-30 18. Silver plated spirit burner £30-40 19. 2 square signs BP & Shell £15-20 20. 4-piece silver plated tea set £40-60 21. Cast deer on base figurine £15-20 22. Brass canon and a brass boot £20-25 23. Traction engine bell £15-20 24. Cast lion figurine £20-25 25. Antique oak tripod £20-30 26. England football plaque £15-20 27. 1920's replica of a New England spinning wheel £50-70 28. Esso plaque £12-15 29. Cast horse head £15-20 30. Collection of metal garden stakes £15-25 31. British Railways lion plaque £12-15 32. 15" Michelin standing on a tyre £30-35 33. 3 vintage glass light shades £25-35 34. 2 cockerel basket hangers £15-20 35. Selection of various Le Creuset pans £50-70 36. Pete Townend acrylic, antique hunting print and 3 antique photo frames £20-40 37. -
NOISE and MILITARY SERVICE Implications for Hearing Loss and Tinnitus
NOISE AND MILITARY SERVICE Implications for Hearing Loss and Tinnitus Committee on Noise-Induced Hearing Loss and Tinnitus Associated with Military Service from World War II to the Present Medical Follow-up Agency Larry E. Humes, Lois M. Joellenbeck, and Jane S. Durch, Editors THE NATIONAL ACADEMIES PRESS Washington, DC www.nap.edu THE NATIONAL ACADEMIES PRESS • 500 Fifth Street, N.W. • Washington, DC 20001 NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of Sciences, the National Academy of Engineering, and the Insti- tute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance. This study was supported by Contract No. V101(93)P-1637 #29 between the Na- tional Academy of Sciences and the Department of Veterans Affairs. Any opinions, find- ings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the organizations or agencies that provided support for this project. Library of Congress Cataloging-in-Publication Data Noise and military service : implications for hearing loss and tinnitus / Committee on Noise-Induced Hearing Loss and Tinnitus Associated with Military Service from World War II to the Present, Medical Follow- up Agency ; Larry E. Humes, Lois M. Joellenbeck, and Jane S. Durch, editors. p. ; cm. Includes bibliographical references. ISBN 0-309-09949-8 — ISBN 0-309-65307-X 1. Deafness—Etiology. -
2020 Impact Report
20 20 IMPACT REPORT Demond Melancon, Big Chief of the Young Seminole Hunters – 2020 COVID-19 Relief Grant Recipient, New Orleans, Louisiana, Photo courtesy of Christopher Porché West OUR MISSION A Letter from CERF+ Plan + Pivot + Partner CERF+’s mission is to serve artists who work in craft disciplines by providing a safety In the first two decades of the 21st century,CERF+ ’s safety net of services gradually net to support strong and sustainable careers. CERF+’s core services are education expanded to better meet artists’ needs in response to a series of unprecedented natural programs, resources on readiness, response and recovery, advocacy, network building, disasters. The tragic events of this past year — the pandemic, another spate of catastrophic and emergency relief assistance. natural disasters, as well as the societal emergency of racial injustice — have thrust us into a new era in which we have had to rethink our work. Paramount in this moment has been BOARD OF DIRECTORS expanding our definition of “emergency” and how we respond to artists in crises. Tanya Aguiñiga Don Friedlich Reed McMillan, Past Chair While we were able to sustain our longstanding relief services, we also faced new realities, which required different actions. Drawing from the lessons we learned from administering Jono Anzalone, Vice Chair John Haworth* Perry Price, Treasurer aid programs during and after major emergencies in the previous two decades, we knew Malene Barnett Cinda Holt, Chair Paul Sacaridiz that our efforts would entail both a sprint and a marathon, requiring us to plan, pivot, Barry Bergey Ande Maricich* Jaime Suárez and partner. -
Demystifying the Traditional Backsaw © 2014, by Mark D
Demystifying the Traditional Backsaw © 2014, by Mark D. Harrell Introduction Introduction Talking Points • Is it worth saving? • Disassembly • Cleaning • Handle Work • Reassembly & retensioning • Truing up • Clock-sharpening • Safety • The Continuum of a Toothline Is it worth saving? • Pitting (know when it’s too bad • Badly bent sawbacks • Handle repair (you be the judge) • Sentimental value • Handsaw flex test 9 times out of ten, the traditional folded sawback saves the saw Disassembly • Leather-lined wood clamp • Angle iron • 12” mill file • Sharpening files • Dead-blow mallet • Stout screwdriver • Small crowbar • Ruler • Sharpie • Brass hammer • Leather patches • Canning wax • Whetstone • Masking tape • Stout vise These are tools you’ll likely have in your shop already Disassembly (cont.) Step 1: this is how we get our frozen nuts off in Wisconsin. It doesn’t even have to be winter. Disassembly (cont.) Step 2: lay your handle aside—secure your fasteners inside the pistol grip so they don’t get lost. Disassembly (cont.) Step 3: cinch your plate/back assembly into a your leather-lined angle iron and pry of back with crowbar. “Warning, Will Robinson! don’t do this with static backs!” Disassembly (cont.) Step 3a: know the difference between a static back and a traditional folded back—again, don’t attempt to pull off a static-back or you’ll ruin your saw. More on this later. Disassembly (cont.) Step 4: repeat this procedure gradually, then pull off back. Disassembly (cont.) Completely disassembling a traditional backsaw is no different than disassembling a hand plane; easier, in fact. Typical Cleaning Supplies (what Bad Axe Uses, anyway!) • Sunshine Polishing cloths • 3M Abrasive Pads • Cordless Dremel • Sandflex Eraser blocks • Plastic Safety Razor • Brass toothbrush • Dental Pick • Exacto Knife • Wizard's Power Seal • Nitrile Gloves • Spraybees • Wizard's Metal • Renew • Dust mask(s) & safety goggles • Dry t-shirt/cloth diaper cloth • Your child's old toothbrush. -
Working with Bone, Antler and Horn
Working with Bone, Antler and Horn David Constantine © 2014 V1.4 April 2014 Contents List of Figures and Tables ..................................................................................................................................... i Introduction .......................................................................................................................................................... 1 What is Bone Working? ..................................................................................................................................... 1 Recommended reading and additional resources ............................................................................................... 1 Contact Details ................................................................................................................................................... 1 Raw Materials ....................................................................................................................................................... 2 Definitions and basic biology of skeletal materials ........................................................................................... 2 Historical Availability and Use .......................................................................................................................... 4 Period Toolkits .................................................................................................................................................... 10 Basic toolkit .................................................................................................................................................... -
Powercarving Birds, Fish and Penguins : Using Beautiful Hardwoods Pdf, Epub, Ebook
POWERCARVING BIRDS, FISH AND PENGUINS : USING BEAUTIFUL HARDWOODS PDF, EPUB, EBOOK Gene Larson | 64 pages | 18 Mar 1999 | Schiffer Publishing Ltd | 9780887405655 | English | Atglen, United States Powercarving Birds, Fish and Penguins : Using Beautiful Hardwoods PDF Book The wood has no characteristic odor or taste. For this reason, air dried wood is usually best for carving. Since May Blog woodcarversoflasvegas. How to Start. United States About Blog Learn to carve wood spirits with our online wood carving lessons. Managing Editor Roger Schroeder writes about a year search for a special woodcarving. Now get those tools sharp and let make some chips. Notes On Wood Preparation Because wood dries slowly when air dried, tensions are released slowly: fast drying in kilns, if not well monitored, can actually create tensions within the wood, adding to stresses that are there from the growing years. Owner, Advanced Media. So many entries put the judges on their toes at the second annual national competition sponsored by the Caricature Carvers of America. He says he likes the simplicity of working with just a couple knives and a block of wood. Fine Woodworking. Dave Stetson, president of the Caricature Carvers of America, puts a critical eye to four carvings. If you're just starting out with woodcarving, it's better to choose a softwood like birch, limewood, pine, willow or horse chestnut. So, he headed to his local Woodcraft Store to pick up the tools and knowledge he would need to get started. Has lived in: Lindsborg , KS. Glass penguin. This is a white wood grows throughout Europe and the Americas. -
The Oak Interior, 24 & 25 April 2013, Chester
Bonhams New House 150 Christleton Road Chester CH3 5TD +44 (0) 1244 313936 +44 (0) 1244 340028 fax 21122 The Oak Interior, 24 & 25 April 2013, Chester 2013, April 24 & 25 The Oak Interior including The E. Hopwell Collection Wednesday 24 April 2013 at 10am Thursday 25 April 2013 at 10am Chester The Oak Interior including The E. Hopwell Collection, Pewter and Textiles Wednesday 24 April 2013 at 10am Thursday 25 April 2013 at 10am Chester Bonhams Enquiries Sale Number: 21122 Please see back of catalogue New House for important notice to bidders 150 Christleton Road Day I Catalogue: £20 (£25 by post) Chester CH3 5TD Pewter Illustrations bonhams.com David Houlston Customer Services Back cover: Lot 496 +44 (0) 1244 353 119 Monday to Friday 8.30am to 6pm Inside front cover: Lot 265 Viewing [email protected] +44 (0) 20 7447 7447 Inside back cover: Lot 289 Friday 19 April 10am to 4pm Sunday 21 April 11am to 2pm The E. Hopwell Collection of Monday 22 April 10am to 4pm Metalware & Treen Tuesday 23 April 10am to 4pm Megan Wheeler Wednesday 24 April 8.30am to 4pm +44 (0) 1244 353 127 Thursday 25 April 8.30am to 9.45am [email protected] Bids Textiles +44 (0) 20 7447 7448 Claire Browne +44 (0) 20 7447 7401 fax +44 (0) 1564 732 969 To bid via the internet [email protected] please visit www.bonhams.com Day II Please note that bids should be Furniture submitted no later than 24 hours David Houlston before the sale. -
Stalin's Apologist; Great Fire Of
The Robert F. Cairo Book Collection Lot # #Bks Book Titles &/or Topics of Books on Shelf Author(s) in order of lot listing Loc. 1 14 Mask of Treachery; The Hollow Men; Who Tell the People; Breaking from Costello; Sykes; Greider; Shainback; the KGB; Stalin's Apologist; Great Fire of London; No More Heroes; The Taylor; Hanson; Gabriel; Kennon; Dailey & DR Twilight of Democracy; Soviet Strategic Deception; The Kinder, Gentlier Parker; Gutman; Sterling Military; The Terror Network 2 10 Wartime Washington; Southern Bivouac, vol 1-6 (1992), Diary of Edmund Ruffin, Laas vol 1-3 (1990) DR 3 30 Official Records of the Union & Confederate Navies in the War of the Rebellion, DR Series I: Vol. 1-27; Series II: Vol 1-3. (1987 reprint). (3 shelves) 4 127 Official Records of the Union & Confederate Armies in the War of the Rebellion, Series I: vol 1-53 (1985 reprint); Series II: vol 1-8; Series III: Vol 1-5; Series IV: vol DR 1-3 plus Index. Vol Series #112 & 113 are missing (7 shelves) 5 15 Military & political subjects DR 6 15 Prescott's (1869 Ed): Conquest of Peru, vol 1-2; Biographical & Critical Miscellaneous; Conquest of Mexico vol 1-3; Ferdinand & Isabella vol 1-3; Phillip DR the Second vol 1-3; Robetson's Charles the Fifth vol 1-3 7 20 The Grand Failure; Profile of Deception; Dringk; Stolen Valor; The Leopard's Spots; An Enormous Crime; Great Houses of San Francisco; History of Food; God DR Men & Wine 8 30 Various subjects: History, Woodworking, American flag, warfare, flim & DR folklore. -
1. Hand Tools 3. Related Tools 4. Chisels 5. Hammer 6. Saw Terminology 7. Pliers Introduction
1 1. Hand Tools 2. Types 2.1 Hand tools 2.2 Hammer Drill 2.3 Rotary hammer drill 2.4 Cordless drills 2.5 Drill press 2.6 Geared head drill 2.7 Radial arm drill 2.8 Mill drill 3. Related tools 4. Chisels 4.1. Types 4.1.1 Woodworking chisels 4.1.1.1 Lathe tools 4.2 Metalworking chisels 4.2.1 Cold chisel 4.2.2 Hardy chisel 4.3 Stone chisels 4.4 Masonry chisels 4.4.1 Joint chisel 5. Hammer 5.1 Basic design and variations 5.2 The physics of hammering 5.2.1 Hammer as a force amplifier 5.2.2 Effect of the head's mass 5.2.3 Effect of the handle 5.3 War hammers 5.4 Symbolic hammers 6. Saw terminology 6.1 Types of saws 6.1.1 Hand saws 6.1.2. Back saws 6.1.3 Mechanically powered saws 6.1.4. Circular blade saws 6.1.5. Reciprocating blade saws 6.1.6..Continuous band 6.2. Types of saw blades and the cuts they make 6.3. Materials used for saws 7. Pliers Introduction 7.1. Design 7.2.Common types 7.2.1 Gripping pliers (used to improve grip) 7.2 2.Cutting pliers (used to sever or pinch off) 2 7.2.3 Crimping pliers 7.2.4 Rotational pliers 8. Common wrenches / spanners 8.1 Other general wrenches / spanners 8.2. Spe cialized wrenches / spanners 8.3. Spanners in popular culture 9. Hacksaw, surface plate, surface gauge, , vee-block, files 10.