Banking service chronicle published this article page no 6 Other than silver the metals used in our country for craftwork are brass copper and bell-metal. Brass is an alloy of copper and zinc bell-metal is a mixture of copper and tin. The shaping of an object is done either by beating the ingot or sheet metal to the approximate shape with a hammer while it is hot or by pouring the molten metal in a mould that is made of clay for ordinary ware and of wax for more delicate objects. The beating process is preferred particularly for bell-metal and copperware as it is supposed to make the object more durable. Further tempering is done by heating the article till it is red-hot and then dipping it in cold water. If it turns black in this process light hammering rectifies it banking service chronicle monthly magazine buy.
No comments:
Post a Comment