Mondo Knows Facts

The first practical tape recorder was German

AEG's Magnetophon and BASF plastic tape appeared in the mid 1930s AEG showed the Magnetophon K1 in 1935, recording onto plastic tape made by BASF rather than steel wire. German radio used the machines for late-night orchestral broadcasts, and Allied engineers who heard them could not tell the music was recorded. Examples were found in Germany at the end of the war. It sits in Mondo's music collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Encyclopaedia Britannica

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Tags: recording, magnetic-tape, germany

The first practical tape recorder was German: the short answers

Where does this come from, and can I check it?
AEG's Magnetophon and BASF plastic tape appeared in the mid 1930s. The figure is taken from Encyclopaedia Britannica, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a music fact?
Yes. It sits on the Music shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.