Gold parting in 1860's Australia. It is able to refine gold up to 99.5% purity. The process involves blowing a stream of chlorine gas over and through a crucible filled with molten impure gold. Impurities in the gold form chlorides before the gold does and these insoluble salts are removed from the melt by skimming the surface. Invented by Emil Wohlwill in 1874, this produces the highest purity gold (99.999%). It is an electrolytic process using pure gold for the cathode (or titanium as a starter cathode) and chloroauric acid (gold chloride-hydrochloric acid) as the electrolyte; this is made by dissolving gold
What Are You Going to Do to Help the Boys? song was written for both piano and voice. The song is a call to action. It encourages listeners to buy liberty bonds, especially if they are staying home while soldiers fight overseas. The voice states that it doesn't matter one's age, where he is from, or who he is. Uncle Sam expects everyone to help in the war effort. The chorus is as follows: The sheet music can be found at Pritzker Military Museum & Library. What Are You Going to Do to Help the Boys? "What Are You Going to Do to Help the Boys?" is a World War