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Searching Rudolf Steiner Lectures by GA number (GA0351)

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    Query was: prism

Here are the matching lines in their respective documents. Select one of the highlighted words in the matching lines below to jump to that point in the document.

  • Title: Cosmic Workings: Lecture IV
    Matching lines:
    • hole where the shaft of light enters. Here you place a glass prism so
    • succession of colours, this spectrum which appears here in the prism,
    • when one uses a glass prism, or sunlight. When one uses other bodies,
    • flame, let the light pass through a small hole and take a prism, you

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