Difference between revisions of "Magnetic Recording"

(New page: '''''This article is a stub. You can help the GHN by expanding it.''''' Copenhagen, Denmark. On 1 December 1898 Valdemar Poulsen filed his first patent application for magnetic recording....)
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Revision as of 21:32, 30 December 2008

This article is a stub. You can help the GHN by expanding it.

Copenhagen, Denmark. On 1 December 1898 Valdemar Poulsen filed his first patent application for magnetic recording.