Template:Selected anniversaries/March 25

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  • 1655: Saturn's largest moon, Titan, is discovered by Christiaan Huygens.

    1655: Saturn's largest moon, Titan, is discovered by Christiaan Huygens.

  • 1857: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville is receives a patent for the phonoautograph, which records an audio signal as a photographic image.

    1857: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville is receives a patent for the phonoautograph, which records an audio signal as a photographic image.

  • 1860: Surgeon and gentleman scientist James Braid dies. He was an important and influential pioneer of hypnotism and hypnotherapy.

    1860: Surgeon and gentleman scientist James Braid dies. He was an important and influential pioneer of hypnotism and hypnotherapy.

  • 1862: Mathematician and engineer Philbert Maurice d’Ocagne born. He will found the field of nomography, the graphic computation of algebraic equations, on charts which he will called nomograms.

    1862: Mathematician and engineer Philbert Maurice d’Ocagne born. He will found the field of nomography, the graphic computation of algebraic equations, on charts which he will called nomograms.

  • 1925: John Logie Baird gives the first public demonstration of moving silhouette images by television at Selfridges department store in London in the first of a three-week series of demonstrations.

    1925: John Logie Baird gives the first public demonstration of moving silhouette images by television at Selfridges department store in London in the first of a three-week series of demonstrations.

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