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  2. Chisel - Wikipedia

    en.wikipedia.org/wiki/Chisel

    A cold chisel is a tool made of tempered steel used for cutting 'cold' metals, [2] meaning that they are not used in conjunction with heating torches, forges, etc. Cold chisels are used to remove waste metal when a very smooth finish is not required or when the work cannot be done easily with other tools, such as a hacksaw, file, bench shears ...

  3. Tombac - Wikipedia

    en.wikipedia.org/wiki/Tombac

    Tombac, or tombak, is a brass alloy with high copper content and 5–20% zinc content. [1] Tin , lead or arsenic may be added for colouration. [ 2 ] [ 3 ] It is a cheap malleable alloy mainly used for medals , ornament , decoration and some munitions .

  4. Brass - Wikipedia

    en.wikipedia.org/wiki/Brass

    Islamic Golden Age brass astrolabe Brass lectern with an eagle. Attributed to Aert van Tricht, Limburg (Netherlands), c. 1500.. Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, [1] but copper typically has the larger proportion, generally 2 ⁄ 3 copper and 1 ⁄ 3 zinc.

  5. Repoussé and chasing - Wikipedia

    en.wikipedia.org/wiki/Repoussé_and_chasing

    A chaser in Tunis using a lightweight chasing hammer and a liner to chase a pattern into a brass mortar. The tools needed for these techniques are [10] A container for the pitch, such as a "pitch tray" for larger plates, or a heavy hemispherical cast iron "pitch bowl" for smaller ones. The bowl can be placed over a sand bag or leather ring, and ...

  6. Perforated metal - Wikipedia

    en.wikipedia.org/wiki/Perforated_metal

    The process of perforating metal sheets has been practiced for over 150 years. In the late 19th century, metal screens were used as an efficient means of separating coal. The first perforators were laborers who would manually punch individual holes into the metal sheet. This proved to be an inefficient and inconsistent method which led to the ...

  7. Etowah plates - Wikipedia

    en.wikipedia.org/wiki/Etowah_plates

    The first is approximately 20 inches (51 cm) and the second 16 inches (41 cm) in height. Holes in the plates suggest they were once hung as decorations. [1] These plates are stylistically associated with the Greater Braden Style and are thought to have been made in copper workshops at Cahokia (in Illinois near modern St Louis) in the 13th century.

  8. Rewari metal work - Wikipedia

    en.wikipedia.org/wiki/Rewari_metal_work

    Other than this to join the shaped pieces of various utensils soldering materials "suhaga" (it is a mixture of borax and water used to join metal pieces), brass, copper and zinc are used. Industries mainly copper & brass rolling mills are continuously producing best quality coils, strips, sheets, plates, and circles by the hot rolling and cold ...

  9. Japanese chisel - Wikipedia

    en.wikipedia.org/wiki/Japanese_chisel

    Japanese chisels More Japanese chisels Japanese chisels in use, among other tools (early 14th Century) The Japanese chisel or nomi (鑿, のみ) is made on similar principles to the Japanese plane. There is a hard blade, called hagane attached to a softer piece of metal called the jigane.

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