The difficult and dangerous task of producing ultra-pure phosphorus has been the subject of extensive investigations in the for research laboratories of L. Light and Co. Ltd., Colnbrook, Bucks. So, 56 years ago, started a story in EW’s edition of September 7th 1960 The story continues: After many setbacks, techniques metals, have been perfected which ...
from ElectronicsWeekly http://www.electronicsweekly.com/blogs/mannerisms/memory-lane/pursuing-purity-2016-03/
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