
Two dye fastness tests exposed to sunlight in India
1905-1915
1905-1915
1913-34
1913-34
1913-34
1913-34
1913-34
1900
1927-30
1927-30
1927-1930
July-August 1934
July-August 1934
July-August 1934
1929-34
1929-34
September 1929
1909
1906
1907
1912-1913
1905
Aug 1933
1928
1936
1909-1916
1912-1914
1915-1925
1912
1909-1912
1916
1912
1897-1917