bn:22549748n
Noun Named Entity
Categories: Audiovisual introductions in 1932, Stereophonic sound, 1932 in science, English inventions, 1934 in England
EN
British patent 394325  United Kingdom patent 394325  UK patent number 394,325
EN
The United Kingdom patent 394325 'Improvements in and relating to Sound-transmission, Sound-recording and Sound-reproducing Systems' is a fundamental work on stereophonic sound, written by Alan Blumlein in 1931 and published in 1933. Wikipedia
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EN
The United Kingdom patent 394325 'Improvements in and relating to Sound-transmission, Sound-recording and Sound-reproducing Systems' is a fundamental work on stereophonic sound, written by Alan Blumlein in 1931 and published in 1933. Wikipedia
Seminal work on stereophonic sound by Alam Blumlein Wikidata
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