Dewar Flask or Thermos

Sir James Dewar was born in Kincardine, Scotland, on September 20, 1842, as the son of an innkeeper. He attended regional universities until he was 10 when he suffered a critical situation of rheumatic fever enduring two decades. Throughout this period he built a violin, and music remained a lifelong curiosity of his. In 1858 he entered the University of Edinburgh. There he studied physics and chemistry. Dewar, in an early screen of his dexterity, formulated a mechanical product of Alexander

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