Sample chemicals from research undertaken by chemists in Owens College Chemistry Department, c. 1860s-1880s. A mixture of both Tungsten Pentachloride and Tungsten Oxytetrachloride - a solid black and red dust like substance. Housed in presentation case no. 2. Sample chemicals; Tungsten Pentachloride and Tungsten Oxytetrachloride 1865; 1865; 1864; 1880
