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Hace 20 horas · 1870s. 1874 - In 1874, Jules Janssen made several practice discs for the recording of the passage of Venus with his series Passage de Vénus, which he intended to record with his photographic revolver.He used a model of the planet and a light source standing in for the Sun.While actual recordings of the passage of Venus have not been located, some practice discs survived and the images of one ...
Hace 20 horas · This is a list of American comedy films.. Comedy films are separated into two categories: short films and feature films.Any film over 40 minutes long is considered to be of feature-length (although most feature films produced since 1950 are considerably longer, those made in earlier eras frequently ranged from little more than an hour to as little as four reels, which amounted to about 44 ...
