
Respirator, canvas with metal outlet pipes
1915-1918
1915-1918
1915
1915
1915
1915-1918
1915
1915
1915-1918
1915
1914-1918
1914-1918
1915-1918
1915-1918
1915-1918
1915
1915-1918
1937
1915-1918
1915
1915
1915
1915-1918
1915
1939
1915-1918
1915-1916
1915-1918
1915
1915-1918
1915
1939
1915-1918
1915
1915-1918
1915-1916
1915-1918
1915-1918
1915
1916-1918
1915
1915
1915
1915