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13:36 Rensselaer Polytechnic Institute English 1974

Joseph Fraunhofer: Dispersion

The uses to which Fraunhofer put the dark lines in the spectrum of sunlight are explained. He charted the dispersive powers of optical glass he had perfected. He designed and constructed the finest achromatic lenses and optical instruments, including refraction telescopes. Explores some of these telescopes.
  • Published: 1974
  • Publisher: Rensselaer Polytechnic Institute
  • Language: English
15:38 Rensselaer Polytechnic Institute English 1974

Joseph Fraunhofer: Diffraction

Takes the viewer into the Deutsches Museum in Munich and shows Fraunhofer's precise diffraction spectrometer, wire and glass gratings and other instruments, insofar as they have been preserved. Shows how he put them to use in work on diffraction.
  • Published: 1974
  • Publisher: Rensselaer Polytechnic Institute
  • Language: English
34:10 Rensselaer Polytechnic Institute English 1975

Refraction, Dispersion and Resonance

Animation and scientific instruments are used to demonstrate the principles of refraction, dispersion and resonance.
  • Published: 1975
  • Publisher: Rensselaer Polytechnic Institute
  • Language: English
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