JEWEL-CUTTING MACHINE
Ninety pee cent, of the world’* natural jewels are mined in British soil, but the low cost of Continental work draws all but 2 per cent, of these precious‘‘stones to France and Germany for cutting and polishing. London lapidaries, who long have bewailed this condition, have begun to hope that much of this profitable industry .will be recaptured for them by the invention of an Australian sapphire mine owner, who has devised a gemcutting machine, which “can’t go wrong.” Mr M. H. Heiser, whose New South Wales mines produced £50,000 worth of sapphires last year, is the inventor* of the machine. In Germany jewel cutting costs onequarter of what it costs in England. To train an expert craftsman requires many years of apprenticeship, and even then only one workman in four proves to be an efficient cutter.
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Evening Star, Issue 20256, 17 August 1929, Page 19
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139JEWEL-CUTTING MACHINE Evening Star, Issue 20256, 17 August 1929, Page 19
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