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Show NEW IDEA IN WATCH MAKING I Discovery, It Is Announced, Is Capbll I of Revolutionizing the Pre- 1 nt Industry. I Not long ago there wns announced X. a discovery described by the dlroctoi J of tho International bureau of weights 1 and measures as being capable of rove- lutlonlzlng tho watch-making Industry, I A successful method of regulation, 1 romodylng the Variations In tlmo of f 1 watch duo to tho expansion and con I traction of Its parts caused by varta I Uons of temperature, Is the result ol the Invention of C. E. Gulllnumo. Tills so-called "secondary error" aV wnys has been one of the great ob stacles In tho attainment of perfection and precision In the watchmaking In dustry. I The chief feature of the Gulllaume process Is a change In the alloy used In tho compensating parts. Then mini mum expansion of nickeled steel wal found to be Increased by tho addition of 12 per cent of chrome as well as b small quantity of tungsten, man gnncse or carbon. By mounting s spiral of this stcel-nlckel-chrome aV loy In the watch, according to t.l French announcement, the problem of compensation has been solved nnd tat "Becondnrv error" removed. Washing |