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Phonoscope vs Photoscope - What's the difference?

phonoscope | photoscope |

As nouns the difference between phonoscope and photoscope

is that phonoscope is a device that shows an image representing the acoustical properties of a musical instrument etc while photoscope is anything employed for the observation of light or luminous effects.

phonoscope

English

Noun

(en noun)
  • a device that shows an image representing the acoustical properties of a musical instrument etc.

    • photoscope

    English

    Noun

    (en noun)
  • Anything employed for the observation of light or luminous effects.
    • (Webster 1913)