Water chiller. A water chiller is a mechanical device used to facilitate heat exchange from water to a refrigerant in a closed loop system. The refrigerant is then pumped to a location where the waste heat is transferred to the atmosphere.
Banking in the United States before creation of the Federal Reserve System was, to say the least, chaotic. Early American Banking: 1791-1863. Banking in the America of 1863 was far from easy or dependable.
In reaction to the Great Depression, Congress passed the Banking Act of 1933, better known as the Glass-Steagall Act, calling for the separation of commercial and investment banking and requiring use of government securities as collateral for Federal Reserve notes.