Acetylene generator
circa 1914
circa 1914
1920
1920
1920
1921
circa 1920
1919
1920
circa 1920
1919
circa 1919
1920
1966
1966
1910-1913
1913
1913
1921
1914-1919
1932
circa 1919
1932
1914-1919
1914-1919
1916-1919
circa 1960
circa 1924
circa 1928
1924
1902