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Title (en)
Sound analyser with 8 resonator balls
Title (de)
Königscher Flammenapparat mit rotierendem Spiegel und Resonatoren
Language
Not applicable
Description (en)
Inventory number V/50.
Description (de)
Inventar-Nummer V/50.
Photographer
Franz Sachslehner
Manufacturer
Koenig
Licence Selected
CC BY 4.0 International
Details about the source
Time Coverage (de)
ab 1867