Page 10 Advertisements Column 1

Otago Daily Times, Issue 18952, 28 August 1923, Page 10

Stainless steel has been followed by untarnished silver, and its discovery _was almost an accident. A silver alloy of high ductility was being sought for, and it was noticed that some of the samples left over on the work bench showed no signs of tarnishing, reports the Daily Chronicle. This aroused curiosity, curiosity resulted in research, and untarnishable silver is the reward. The difficulty was to produce an alloy which could be given the hallmark and yet be endowed with the necessarv qualities. The hallmark on the metal is an indication that twelve-thirteenths of it is a pure silver, and it was only the odd thirteenth that afforded the experimentalists’ ' margin, and yet they have won through to success. , , , , . , The title of duke, the highest order of Ihe British peerage, was first introduced in 1337, The Black Prince, the son of Edward JIT, was the first duke, under the title of ihe Duke of Cornwall.