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Date : 2013-12-28
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Bone Ivory and Horn Identifying Natural Materials ~ Bone Ivory and Horn Identifying Natural Materials Michael Locke on FREE shipping on qualifying offers In the preplastic era everything was made from natural materials often by skilled craftsmen The materials that they used are now often rare and easily misidentified Are they made from bone
Bone Ivory and Horn Identifying Natural Materials by ~ The materials that they used are now often rare and easily misidentified Are they made from bone ivory horn tortoiseshell shell skin or scales or some other now forgotten exotic material This technical book will help collectors antique dealers museum conservationists In the preplastic era everything was made from natural materials often by skilled craftsmen
Bone Ivory and Horn Identifying Natural Materials by ~ In the preplastic era everything was made from natural materials often by skilled craftsmen The materials that they used are now often rare and easily misidentified Are they made from bone ivory horn tortoiseshell shell skin or scales or some other now forgotten exotic material
Bone Ivory and Horn Identifying Natural Materials ~ Ivory here is any animal tooth large enough for manufacturing narwhal orca walrus pig tusks hippo elephant mammoth and mastodon The book explains all these materials the animals they come from and their anatomy the historical uses of each material and how it can be identified by eye or under magnification
Ivory Bone and Related Materials ~ Bonelike materials ivory bone and antler are made up of both organic and inorganic components The major organic component is the fibrous protein collagen This makes up about 25 30 of these natural substances with most of the balance being made up of inorganic calcium phosphate containing small amounts of magnesium and carbonate
Care of Ivory Bone Horn and Antler – Canadian ~ Ivory bone horn and antler are all porous materials susceptible to staining if left in contact with corroded metals such as copper or iron or coloured materials Stains of this nature should be referred to an experienced conservator for treatment
How to Tell Ivory from Bone 8 Steps with Pictures wikiHow ~ Ivory is made from the tusks and teeth of elephants whales and several other animals While bone and ivory can be similar in appearance weight and feel ivory tends to be of higher value and more regulated than bone Start by determining if the piece is bone or ivory rather than a synthetic or other replica material
Custom Knife Handle Materials Horn Bone Ivory ~ Officials law enforcement and Game and Fish will be confused by the many ivory types available including wart hog tusk hippopotamus ivory mammoth mastodon and walrus Adding to the confusion are materials that look like ivory shell and bone stag and animal horn and manmade materials like acrylic and Micarta®
distinguish bone ivory and celluloid ~ Quite often the chips are stained one solid color and left that way yellow red green etc or left natural white Usually the bone chips are sold in sets of four colors usually red yellow green and natural each color coming in its own small wooden box and each color coming in three shapes typically a circle a long rectangle and a short rectangle all three shapes are shown in the above picture
Ivory Genuine Fake and Confusing Real or Repro ~ Black light is useful for eliminating artificial materials but can not alone prove a piece is ivory Bone vegetable ivory cellulose and glued together ivory dust for example all react like genuine ivory under black light Physical Features and Structure Ivory is formed by living growing tissue
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