- Plated ware
Plated ware refers to articles chiefly intended for
tableware consisting of anbase metal oralloy covered by one of theprecious metal s, with the object of giving them the appearance ofgold orsilver . Historically, the standard amount of precious metal used was an ounce of silver per square foot of surface area [cite book
title =Encyclopedia Britannica
date =1911] (2.8cL per 930cm²). Although items hand-plated withmetal leaf date back to ancient times, large scale production dates to1742 whenThomas Boulsover , ofSheffield ,England developed a process by whichsilver plates were fused to base metal (generallycopper )ingot s by heating them in afurnace withborax [cite journal
last =Hirst
first =R.M.
coauthors =Veitch, Henry Newton
title =Sheffield Plate: A Brief Sketch of the Silver-Plated Establishments
journal =The Burlington Magazine for Connoisseurs
volume =37
issue =209
pages =89–95
publisher =The Burlington Magazine Publications, Ltd
date =August 1920 ] . The ingots were then rolled down to a sheet, and from these sheets silver-plated articles were made.Large articles such as dish covers were originally only silver-plated on one side, and after being worked into shape were tinned inside. The process varied regionally; in the West Midlands, bar-copper was the base metal used, which when bare of silver appeared dark red, whilst in Sheffield copper mixed with
brass , an alloy of copper andzinc was used. The Sheffield process resulted in a harder and stronger end product ("Sheffield plate ")and was consequently more popular, and Sheffield became the world's leading producer of metal tableware andcutlery [cite web
title =Sheffield's Cutlery History
publisher =Littlemesters of Sheffield
url =http://www.littlemesters.com/sheffield_history.htm
accessdate =2007-03-25 ] . Following John Wright andGeorge Elkington 's development of commercialelectroplating in 1840 [cite web
title =Electroplating
publisher =R&S Electroplating
url =http://www.rschrome.co.uk/whatis.html
accessdate =2007-03-25 ] (the process still in use today) the traditional method of production fell into rapid decline, although it continues to be used for some items subject to very heavy wear (notably buttons).References
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