Brüel & Kjær 2304 level recorder (3)
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Date of production: 1950s
This picture shows the measuring device Type 2304 produced by the Danish company Brüel & Kjær.
This photograph was taken by Nikita Braguinski at the Audio Communication Group, Technische Universität Berlin, in May 2018. The use of the device is demonstrated in the accompanying video.
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From the series
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Areas of Study
Engineering
Music and Musicology
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Description and Visualization
Measurement
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Original from
Audio Communication Group, Technische Universität Berlin
Copyright attribution
CC-BY Users may share and adapt this material, even for commercial purposes. Appropriate credit must be given and an indication included if changes were made
Digitization by
Nikita Braguinski