Calendar: 1880-1881 Page 352

352 EVENING CLASSES 35 METALLURGY Day and Hour of ttendance- Wednesday from to This course of lectures established by the aid of the City and Guilds of London Institute is designed for all those who in any way have to do practically with the applications of metals It treats of the methods by which metals are obtained from their ores and the means by which they are rendered suitable for the various requirements of the Arts The following are the principal subjects treated of -General considerations concerning the Principles of Metallurgy II -The Physical Properties of Metals as Class III -Fuel The Physical and Chemical Properties of various kinds of fuel The Selection and Economic Pre- paration of Fuel to suit the requirements of Special Processes IV -Materials used in the Construction of Furnaces &c Fire-bricks Crucibles &c -Metallurgical Processes Iron and Steel the various methods by which they are produced the effects caused by the presence of foreign substances Copper-smelting Alloys of Copper &c Zinc Ores their treatment Means by which Zinc can be rolled into sheets Alloys of Zinc Brass Muntz's Metal &c Lead-smelting and Desilverization of Lead Silver Extraction of from its Ores its Alloys Gold Methods of extraction and parting from Silver Copper &c Smelting of Tin Ores Tin-plating Bronze &c The means by which Antimony Bismuth Nickel Cobalt Mercury &c are obtained their Properties and Uses will also be discussed