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Description: | F. Sauernvald Berlin No. 12 (engraved on the body of the instrument). 8 10 12 18 (these are crudely inked numbers at each of the tone varying studs on the lower wind chest which are of unknown significance and not of the original manufacture). DES HELMHOLTZ,von,Hermann,Ludwig,Ferdinand,Professor. circa 1856 Bonn, Germany. MANU SAUERNWALD.F. circa 1864 Berlin, Germany. This instrument is also known as an harmonic or double siren. It was invented by Helmholtz to demonstrate the interference of sound and the origin of beats. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | SCIENTIFIC COLLECTION : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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