
Amplion loud speaker with wooden horn, 1925
1925
1925
1921-1926
1924-1927
1926-1929
1973
1926-1929
1927-1933
1982
1970-1988
circa 1964
1966
1900-1930
1930-1950
1928
1937
circa 1925
1969
1969
1940-1950
1925-1935
1945-1955
1922-1932
1930-1950
1948-1955
1930-1950
2017
2016-2019