Changing America: The Emancipation Proclamation, 1863, and the March on Washington, 1963. The Impact and Legacy of the Emancipation Proclamation. The Emancipation Proclamation committed the nation to ending slavery.
Place silver on top, then cover with boiling water. Add  3 tablespoons of baking soda. Soak for 10 minutes, rinse and dry.   An effective, but safe way to clean gold and diamond jewelry is to  soak the items in a solution of very warm water with a small amount  of ammonia added.Soak for about 10 - 15 minutes, then gently scrub  the jewelry with an old toothbrush, then rinse well.dd  3 tablespoons of baking soda. Soak for 10 minutes, rinse and dry.   An effective, but safe way to clean gold and diamond jewelry is to  soak the items in a solution of very warm water with a small amount  of ammonia added.
Know the purity content of your platinum ring. As with all precious metals, platinum must be alloyed with other metals in order to achieve the hardness required for jewelry. A ring that is alloyed with 80% Platinum and 20% other metals is worth a lot less than a ring that is 95% pure platinum. 2. Check the hallmark on the inside of the ring. Federal regulations require all platinum bands to bear a stamp or hallmark on the inside of the band.