Image / Poulsen Telegraphone, 1906

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Title: Poulsen Telegraphone, 1906
Creator: Aktielselskabet Dansk Telegrafonfabrik (Copenhagen, Denmark)
Date Created and/or Issued: 1906
Contributing Institution: History San Jose Research Library
Collection: History San Jose Online Catalog
Rights Information: Please contact the contributing institution for more information regarding the copyright status of this object.
Description: First wire recorder for telephone, ca 1906. Made by Aktielselskabet Dansk Telegrafonfabrik, Kjobenhavn [Copenhagen], serial no.80, with leather belts [broken]. Danish engineer Valdemar Poulsen (1869 -- 1942) developed the first magnetic wire recorder in 1899. An article in The Electrical Magazine (July 1904, pp. 54-56) illustrates how the telegraphone operates.
Type: Image
Identifier: 9429A3BB-B5EE-41B0-9752-721417312106
2011-47-1
Subject: Telegraphone
Magnetic wire recorder
Aktielselskabet Dansk Telegrafonfabrik
Poulsen, Valdemar

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