
Amplion loud speaker with wooden horn, 1925
1925
1925
1921-1926
1924-1927
1937
1970-1988
circa 1964
circa 1925
1926-1929
1973
1969
1969
2017
1926-1929
1927-1933
1930-1950
1948-1955
1930-1950
1982
1929
1925-1935
1940-1950
1925-1935
1945-1955
1930-1939
1922-1932
1966-1974