Waste cardboard front | Photographer: Lisa Koletzki | Rights management: Ethnologisches Museum, Staatliche Museen zu Berlin
Attribution - ShareAlike 4.0 InternationalAll rollers are numbered with Roman numerals. The W. 18 was taken over as no. 6 in the Dem. coll. Correspondence available, also some texts. This shows that from W. 27 the phonograph was not in order (cf. letter of 3.6.14). Further documents in the Völkerkundemuseum in Munich. For the recordings available in Vienna, see Exner 1922.