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Dating old tools

Bone needles and round stones used for spinning thread dating back some 8, years were found in an excavation site in Eksi Hoyuk, one of the oldest settlements in western Anatolia, located in the present-day Denizli province. You can see all of the typical materials of the era here. She added: "One of the most striking things we found is the needle bones, which we think date back to 8, years ago, and carved round stones for spinning thread. She stressed that Denizli is known for its history in textiles and that many bone needles used in textiles were found at the excavation site.
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Guide to Collecting Antique Hand Tools

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Collecting Snap-on - Data Chart - Date Chart

Radiocarbon dating also referred to as carbon dating or carbon dating is a method for determining the age of an object containing organic material by using the properties of radiocarbon , a radioactive isotope of carbon. The method was developed in the late s at the University of Chicago by Willard Libby , who received the Nobel Prize in Chemistry for his work in It is based on the fact that radiocarbon 14 C is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen. The resulting 14 C combines with atmospheric oxygen to form radioactive carbon dioxide , which is incorporated into plants by photosynthesis ; animals then acquire 14 C by eating the plants. When the animal or plant dies, it stops exchanging carbon with its environment, and thereafter the amount of 14 C it contains begins to decrease as the 14 C undergoes radioactive decay. Measuring the amount of 14 C in a sample from a dead plant or animal, such as a piece of wood or a fragment of bone, provides information that can be used to calculate when the animal or plant died.
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Early Craftsman Tools and Their Makers

From planes and saws to levels, wrenches, and rules, antique hand tools are the pride and joy of many a collectors' possessions. Depending on the condition of the tool and its type, a good tool can be worth a few hundred dollars. Whether you are a novice collector or are looking to add specific pieces to your collection, this handy guide will give you the basics of collecting antique hand tools. Wood planes are one of the most popular collectible hand tools around. They are used to hold a chisel stationary so that the woodworker can thin or shape boards of wood.
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By Dan Avery For Dailymail. Archaeologists believe they've found the oldest known tool used for grinding or scraping, dating back some , years. Found in the Tabun Cave in northern Israel, the implement is a cobble, a type of small rounded stone, and predates homo sapiens by at least 50, years. Previously, such tools weren't thought to have been introduced until much later, approximately , years ago. It was used by prehistoric hominids for 'delicate abrading,' researchers say, though for exactly what purpose is still unknown.
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