Sentence Examples


  • JOSEPH VON FRAUNHOFER (1787-1826), German optician and physicist, was born at Straubing in Bavaria on the 6th of March 1787, the son of a glazier who died in 1798.
  • In 1806 he obtained the place of optician in the mathematical institute which in 1804 had been founded at Munich by Joseph von Utzschneider, G.
  • Reichenbach and Liebherr; and in 1807 arrangements were made by Utzschneider for his instruction by Pierre Louis Guinand, a skilled optician, in the fabrication of flint and crown glass, in which he soon became an adept (see R.
  • At the end of the annealing process the glass issues in the shape of disks or slabs slightly larger than required by the optician in each case.
  • JOHN DOLLOND (1706-1761), English optician, was the son of a Huguenot refugee, a silk-weaver at Spitalfields,' London, where he was born on the 10th of June 1706.

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