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La fiche prend place au catalogue-dictionnaire sous les rubriques "Napoléon," "Marie Louise," et "La Roncière, Charles de"

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La fiche prend place au catalogue-dictionnaire sous les rubriques "Napoléon," "Marie Louise," et "La Roncière, Charles de"

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Summary

Lantern slide showing a card catalog in the Main Reading Room at the Library of Congress, open to the entry for the book about Napoleon.
Slide was probably used in a lecture to accompany an exhibit prepared for the Exposition Internationale des Arts et des Techniques dans la Vie Moderne, Paris, 25 May to 25 November 1937 (Report of the Librarian of Congress ... ending June 30, 1937, p. 279-280.)
Lecture section: Voyage d'un livre (Journey of a book).

The lantern slides first produced for the 17th century's “magic lantern” devices. The magic lantern, also known by its Latin name Lanterna Magica, an image projector that used pictures on transparent plates (usually made of glass), one or more lenses, and a light source, used for entertainment. The earliest slides for magic lanterns consisted of hand-painted images on glass, made to amuse their audiences. After the invention of photography, lantern slides began to be produced photographically as black-and-white positive images, created with the wet collodion or a dry gelatine process. Photographic slides were made from a base piece of glass, with the emulsion (photo) on it, then a matte over that, and then a top piece of a cover glass. Sometimes, colors have been added by hand, tinting the images. Lantern slides created a new way to view photography: the projection of the magic lantern allowed for a large audience. Photographic lantern slides reached the peak of their popularity during the first third of the 20th century impacting the development of animation as well as visual-based education.

date_range

Date

01/01/1937
place

Location

Washington, District of Columbia, United States38.90719, -77.03687
Google Map of 38.9071923, -77.03687070000001
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Source

Library of Congress
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No known restrictions on publication.

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